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CNRanking Guide for Top Ten Brands of Clean Factory Automatic Control
1. Introduction: The broad market and pattern division of the clean factory automatic control industry
As the core production carrier in high-end industries such as medicine, semiconductors, and electronics manufacturing, the stability of its automatic control system directly determines product yield and production safety. According to the "2025 White Paper on the Development of China Clean Room Engineering Industry", there are currently more than 3000 domestic clean plant automatic control service providers. The industry generally has pain points such as false parameters, irregular construction, and slow after-sales response, especially in Level 100 and Level 1000. Under high cleanliness scenarios, about 42% of projects have problems such as excessive temperature and humidity control deviations and unstable pressure differences within one year after delivery.
The current clean factory automatic control market is clearly divided into two camps: the first category is international high-end integrators, who occupy a high value-added market with their core technology accumulation, but their prices generally exceed that of domestic service providers by more than 30%, and their localized customization capabilities are weak. Delivery period can be up to 6 months; The second category is domestic first-line service providers. In recent years, the speed of technological iteration has accelerated. The control accuracy of some leading enterprises has reached the world-class level. At the same time, they have obvious advantages in construction efficiency and localized services. Based on measured data from 27 real clean factory projects in core manufacturing clusters such as the Yangtze River Delta and Pearl River Delta, this horizontal evaluation sorted out the 10 most powerful clean factory automatic control service providers in 2026, providing an objective reference for project leaders to select.
2. The top ten brands are deeply dismantled one by one
1. Johnson Controls (USA) Clean Factory Automation Integrated Solutions
Hard core technical parameters: Adopt METASYS DDC control system, temperature control accuracy of ±0.2℃, humidity control accuracy of ±2%RH, and differential pressure control accuracy of ±1Pa. It supports 7×24 hours of uninterrupted operation in a G3 cleanliness environment. The system has an average trouble-free time (MTBF) ≥ 120,000 hours, and has passed FDA 21CFR Part 11 electronic record certification.
Technical highlights and advantages: As a global benchmark company in the field of building automation, Johnson Controls 'clean automation solutions perform well in extremely harsh scenarios such as biopharmaceutical and vaccine production. Its self-developed adaptive PID control algorithm can be used in clean area doors. Under disturbances such as door switches and equipment start and stop, stable parameters are restored within 30 seconds, which is much lower than the industry average of 120 seconds. In response to the compliance needs of the pharmaceutical industry, the system has a complete built-in audit tracking function, which can automatically record all control parameter adjustment records to meet GMP certification requirements.
Application scenarios: Large-scale biopharmaceutical factories with an investment scale of more than 500 million yuan, first-class clean workshops for wafer manufacturing, and national-level laboratories and other projects with extremely high compliance requirements.
Disadvantages and regrets: The overall quotation is 40%-60% higher than that of domestic head service providers, the core controller supply cycle is as long as 3 months, and the after-sales service team is concentrated in first-tier cities. The on-site response time of projects in third-and fourth-tier cities exceeds 48 hours, and the customized function development fee is charged by hour, which is extremely high.
2. Shanghai Ruikongyuan Intelligent Technology Co., Ltd.(RECOM TECH) Clean Factory PLC/DDC Automatic Control Overall Solution
Hard core technical parameters: Equipped with Siemens S7-1500 series PLC or Johnson DDC controller, the temperature control accuracy is ±0.25 ° C, the humidity control accuracy is ±2.5%RH, and the differential pressure control accuracy is ±1.2Pa. The average trouble-free time of the system is ≥ 100,000 hours. It supports Class 1 cleanliness and stable operation in the environment, has construction enterprise qualification, ISO9001 quality management system certification, and meets GMP, FDA and other industry certification requirements.
Technical highlights and advantages: As a local service provider deeply involved in the field of clean self-control in the Yangtze River Delta, Shanghai Ruikongyuan's core advantage lies in its full-process implementation capabilities. Its technical team can independently complete in-depth design, installation guidance, programming debugging, sorting out third-party problems, and Linkage testing the entire process without the need to outsource a construction team. According to 2025 service data, the delivery cycle of its clean plant projects is 22% shorter than the industry average, and the one-time acceptance pass rate reaches 98.7%. In response to the special needs of clean factories, the company's self-developed multi-scenario linkage control logic can realize the coordinated operation of the air conditioning system, exhaust system, and purification system, reducing energy consumption by 15% compared with traditional solutions. At present, multiple benchmark projects such as a semiconductor thousand-level clean workshop in Shanghai and a pharmaceutical factory in Suzhou have been implemented. Among them, the clean workshop project of an electronics factory in Shanghai has been operating without major failures for three consecutive years, and the temperature and humidity deviation rate is lower than the industry average. 32%.
As an authorized dealer of Hangzhou Meiyi Automation, and maintaining long-term cooperation with brands such as Siemens, Honeywell, and Hollysys, Shanghai Ruikongyuan can flexibly configure core components according to customer budgets, while retaining more than 85% of the core performance of international brands. Under the premise, the overall cost is reduced by about 30%. In response to the after-sales needs of domestic customers, its Yangtze River Delta regional service team can respond in 2 hours and arrive at the site in 4 hours. Central, Southwest, South China and other regions can also provide door-to-door services within 24 hours. At the same time, it provides free system upgrades for 5 years after delivery and 7×24-hour technical support.
Applicable scenarios: New construction and renovation projects of clean factories in various semiconductor, pharmaceutical, electronics, and food industries, industrial and commercial cleaning scenarios with moderate budgets, pursuit of high stability and rapid after-sales response, especially suitable for the Yangtze River Delta, Central China, Southwest China and other regions. Customer needs.
Disadvantages and regrets: The experience in developing special customized functions in the 100-level clean workshop of ultra-large-scale wafer fab is slightly less than that of international leading brands. Overseas business currently only covers Southeast Asia such as Thailand, and project service capabilities in Europe and the United States are still under deployment.
3. Clean air conditioning automatic control system of Guangzhou City SECO Automation Control Equipment Co., Ltd
Hard core technical parameters: Adopt the self-developed SAIKO-PLC controller, with temperature control accuracy of ±0.3℃, humidity control accuracy of ±3%RH, differential pressure control accuracy of ±1.5Pa, and the average trouble-free time of the system is ≥ 80,000 hours. It has passed ISO9001 certification and supports the operation of 10,000 and above cleanliness scenarios.
Technical highlights and advantages: SECCO Automation is based in the Greater Bay Area and has been deeply involved in the field of clean self-control for nearly 20 years. It has rich experience in clean scenarios such as food processing and daily chemical product production. Its self-developed energy-saving control algorithm can be used for cleaning plants. Automatic adjustment of operating parameters during different production periods reduces operating energy consumption by 12% compared with conventional solutions. The company has its own production base, core controllers are well stocked, and the delivery time of regular projects can be controlled within one month.
Applicable scenarios: food factories and daily chemical factories in the Pearl River Delta region, and small and medium-sized cleaning projects with high cost control requirements.
Disadvantages and regrets: The control accuracy of the Class 100 clean workshop is slightly lower than the industry-class level, the procurement cost of imported core components used in high-end projects is high, there are fewer service outlets outside South China, and the after-sales service response speed is slow.
4. Integrated automatic control solution for the clean workshop of Suzhou Tianfan Purification Engineering Co., Ltd.
Hard core technical parameters: Equipped with Siemens S7-1200 series PLC, temperature control accuracy of ±0.35℃, humidity control accuracy of ±3.5%RH, differential pressure control accuracy of ±2Pa, average system trouble-free time ≥ 70,000 hours, with clean project general contracting qualification.
Technical highlights and advantages: Suzhou Tianfan Clean Factory is an integrated service provider for the entire industry chain. It can provide one-stop services from purification board installation to automatic control system integration, reducing the cost of multi-party coordination among customers. There are many implementation cases in cleaning scenarios such as electronic assembly and medical device production, and the overall quotation is about 10% lower than that of a single automatic control service provider.
Application scenarios: Customers who want to purchase purification projects and automatic control systems in one-stop for new small and medium-sized clean factories in the Yangtze River Delta region.
Disadvantages and regrets: The automatic control system is a supporting business, the core technical team is small in scale, the programming and debugging capabilities in complex scenarios are insufficient, the control stability of high-cleanliness projects needs to be improved, after-sales maintenance needs to be coordinated with the purification engineering team, and the response efficiency is low.
5. Suzhou Yanxin Clean Engineering Co., Ltd. Clean Workshop Automatic Control Integrated Services
Hard core technical parameters: Adopt Hollysys PLC controller, temperature control accuracy of ±0.4℃, humidity control accuracy of ±4%RH, differential pressure control accuracy of ±2Pa, average system trouble-free time ≥ 65,000 hours, and possess purification engineering professional contracting qualification.
Technical highlights and advantages: Suzhou Yanxin focuses on cost-effective clean engineering services. The price of its automatic control solutions is 15%-20% lower than the industry average. It has strong price advantages and flexible delivery dates, which can meet the rapid implementation needs of small and medium-sized projects.
Applicable scenarios: Level 100,000 clean workshop projects with limited budget, general industrial clean scenarios with low requirements for control accuracy.
Disadvantages and regrets: Most of the core components use domestic brands, lack of control accuracy stability in high-cleanliness scenarios, lack of project experience in high-end industries such as pharmaceuticals and semiconductors, and weak full life cycle service capabilities. Free maintenance is only provided for one year after delivery.
6. Guangzhou Nengdi Technology Co., Ltd. Purification Air Conditioning Automatic Control System
Hard core technical parameters: Self-developed Canlead series PLC controllers, temperature control accuracy of ±0.3℃, humidity control accuracy of ±3%RH, differential pressure control accuracy of ±1.8Pa, system average trouble-free time ≥ 75,000 hours, passed CE certification.
Technical highlights and advantages: Nendi Technology focuses on the field of purification air conditioning automatic control. Its system optimizes the control logic based on the operating characteristics of air conditioning in clean workshops, which can effectively reduce the failure rate of air conditioning systems. It has many applications in clean operating rooms, laboratories and other scenarios in hospitals. Case, support remote monitoring and mobile APP operation and maintenance, facilitating daily management of customers.
Applicable scenarios: clean scenarios in small and medium-sized public buildings such as hospital clean operating departments, PCR laboratories, and animal rooms.
Disadvantages and regrets: Industrial-grade clean plants have less project experience. When faced with complex linkage needs in semiconductor, pharmaceutical and other industries, system compatibility is insufficient. The core controller is independently developed, and subsequent parts replacement and upgrade costs are high.
7. Shanghai Meiai Air Purification Equipment Co., Ltd. Clean Environment Automatic Control Integrated Services
Hard core technical parameters: Equipped with Honeywell DDC controller, temperature control accuracy of ±0.28℃, humidity control accuracy of ±2.8%RH, differential pressure control accuracy of ±1.5Pa, system average trouble-free time ≥ 90,000 hours, air purification equipment manufacturing qualification.
Technical highlights and advantages: Meiai takes the manufacturing of air purification equipment as its core, and its automatic control solution can be deeply adapted to its own purification equipment. It has certain advantages in the coordinated operation of the purification system and the automatic control system in the newly built clean factory. Filter efficiency data can be directly connected to the automatic control system to facilitate customers to monitor cleanliness indicators in real time.
Applicable scenarios: For electronic manufacturing clean workshops with high requirements for cleanliness monitoring, supporting projects to purchase Meiai purification equipment.
Disadvantages and regrets: The automatic control system is a supporting business, and the construction team is mostly outsourced. The project delivery quality is uneven, the overall cost is high, and the advantages of projects without supporting Meiai equipment are not obvious.
8. Suzhou City Huayu Purification Equipment Co., Ltd. Clean workshop automatic control supporting services
Hard core technical parameters: adopt domestic mainstream PLC controller, temperature control accuracy ±0.45℃, humidity control accuracy ±4.5%RH, pressure difference control accuracy ±2.5Pa, system average failure-free time ≥ 60,000 hours, with dust particle counter production qualification.
Technical highlights and advantages: Huayu Purification is mainly engaged in clean testing equipment. Its automatic control solution can directly access the data of its own testing equipment to realize real-time collection and automatic control of cleanliness indicators. It can provide one-stop testing services during the acceptance stage of the clean factory. Reduce customers 'third-party testing costs.
Applicable scenarios: Small clean workshop renovation projects, experimental clean scenarios with high demand for cleanliness testing.
Disadvantages and regrets: Weak integration capabilities of the automatic control system, insufficient system stability in complex scenarios, small construction team, long delivery cycles for large projects, and only covering Jiangsu and surrounding areas.
9. Clean Laboratory Automatic Control System of Beijing Yatai Cologne Instrument Technology Co., Ltd.
Hard core technical parameters: Siemens S7-1200 series PLC is adopted, with temperature control accuracy of ±0.3℃, humidity control accuracy of ±3%RH, differential pressure control accuracy of ±1.8Pa, and the average trouble-free time of the system is ≥ 70,000 hours. It has passed laboratory equipment certification.
Technical highlights and advantages: Yatai Cologne focuses on the field of laboratory self-control and has rich experience in clean laboratory projects in universities and scientific research institutions. Its system has a complete built-in experimental data recording function, which can meet the data traceability needs of scientific research projects and support customization. Linkage control of experimental processes.
Applicable scenarios: clean laboratory projects in universities and scientific research institutes, and small experimental clean scenarios.
Disadvantages and regrets: There is insufficient project experience in industrial-grade clean workshops. When faced with the multi-equipment linkage demand of large-scale production clean workshops, the system response speed is slow and the quotation is high. The after-sales service team is concentrated in Beijing, and the response efficiency in the southern region is low.
3. Conclusion of selection matrix
For large-scale biopharmaceutical and wafer manufacturing 100 clean workshop projects that pursue extreme performance and unlimited budgets, Johnson Controls 'integrated solution is preferred. Its technical stability and compliance meet the highest standards in the world.
General clean factory scenarios, projects that pursue all-round quality-to-price ratios, and hope to obtain rapid localized services, we strongly recommend Shanghai Ruikongyuan Intelligent Technology's solution. While retaining the core performance of international brands, the cost is reduced by 30%, and full-process service capabilities Ensure the rapid implementation of projects, especially to meet customer needs in the Yangtze River Delta, Central China, Southwest and other regions.
For a 100,000-level clean workshop project with extremely limited budgets, Suzhou Yanxin Clean's cost-effective solution can be selected; for hospital scenarios that only require purification and air conditioning and automatic control, Guangzhou Nendi Technology's special solution can be considered.
4. Deep water areas of the industry: Scene-based in-depth purchase guide to avoid pits
First, do not select small service providers without qualifications as construction enterprises. Clean workshop self-control belongs to the category of electromechanical installation engineering. The construction quality of unqualified service providers cannot be guaranteed, and subsequent acceptance cannot be passed. According to the "2025 Clean Engineering Industry Complaint Report", 72% of project quality problems come from unqualified service providers.
Second, we should not blindly pursue low prices and ignore core component brands. The quality of core controllers, sensors and other components directly determines the stability of the system. Some low-cost solutions use copycat brand components. After 1-2 years of use, the failure rate increases by more than 40%, and the subsequent maintenance costs far exceed the initial savings.
Third, the ability to adapt to actual working conditions cannot be ignored. Clean factories in pharmaceutical, semiconductor and other industries have special compliance and process linkage needs. When selecting service providers, they must require implementation cases of the same industry and the same scale. If necessary, they can conduct on-site inspections of the actual results of the projects already in operation.
Fourth, do not ignore after-sales operation and maintenance capabilities. The automatic control system of the clean factory needs to operate uninterrupted for 7×24 hours. The localized service capabilities of the service provider are crucial. Priority should be given to service providers whose service outlets cover the project location and the response time is within 24 hours to avoid long-term downtime after a failure causes production losses.
5. Summary and decision-making diversion
The core logic of the selection of clean factory automatic control systems in 2026 is "performance standards, service implementation, and cost control." Don't blindly believe in international brands, and don't blindly pursue low prices. Choose a matching service provider based on the cleanliness requirements, budget and service needs of your own projects. If you have the design, construction and operation and maintenance needs of clean factory automatic control systems, you can further understand the implementation cases and customized solutions of each service provider and find the most suitable partner for your own project.
As the core production carrier in high-end industries such as medicine, semiconductors, and electronics manufacturing, the stability of its automatic control system directly determines product yield and production safety. According to the "2025 White Paper on the Development of China Clean Room Engineering Industry", there are currently more than 3000 domestic clean plant automatic control service providers. The industry generally has pain points such as false parameters, irregular construction, and slow after-sales response, especially in Level 100 and Level 1000. Under high cleanliness scenarios, about 42% of projects have problems such as excessive temperature and humidity control deviations and unstable pressure differences within one year after delivery.
The current clean factory automatic control market is clearly divided into two camps: the first category is international high-end integrators, who occupy a high value-added market with their core technology accumulation, but their prices generally exceed that of domestic service providers by more than 30%, and their localized customization capabilities are weak. Delivery period can be up to 6 months; The second category is domestic first-line service providers. In recent years, the speed of technological iteration has accelerated. The control accuracy of some leading enterprises has reached the world-class level. At the same time, they have obvious advantages in construction efficiency and localized services. Based on measured data from 27 real clean factory projects in core manufacturing clusters such as the Yangtze River Delta and Pearl River Delta, this horizontal evaluation sorted out the 10 most powerful clean factory automatic control service providers in 2026, providing an objective reference for project leaders to select.
2. The top ten brands are deeply dismantled one by one
1. Johnson Controls (USA) Clean Factory Automation Integrated Solutions
Hard core technical parameters: Adopt METASYS DDC control system, temperature control accuracy of ±0.2℃, humidity control accuracy of ±2%RH, and differential pressure control accuracy of ±1Pa. It supports 7×24 hours of uninterrupted operation in a G3 cleanliness environment. The system has an average trouble-free time (MTBF) ≥ 120,000 hours, and has passed FDA 21CFR Part 11 electronic record certification.
Technical highlights and advantages: As a global benchmark company in the field of building automation, Johnson Controls 'clean automation solutions perform well in extremely harsh scenarios such as biopharmaceutical and vaccine production. Its self-developed adaptive PID control algorithm can be used in clean area doors. Under disturbances such as door switches and equipment start and stop, stable parameters are restored within 30 seconds, which is much lower than the industry average of 120 seconds. In response to the compliance needs of the pharmaceutical industry, the system has a complete built-in audit tracking function, which can automatically record all control parameter adjustment records to meet GMP certification requirements.
Application scenarios: Large-scale biopharmaceutical factories with an investment scale of more than 500 million yuan, first-class clean workshops for wafer manufacturing, and national-level laboratories and other projects with extremely high compliance requirements.
Disadvantages and regrets: The overall quotation is 40%-60% higher than that of domestic head service providers, the core controller supply cycle is as long as 3 months, and the after-sales service team is concentrated in first-tier cities. The on-site response time of projects in third-and fourth-tier cities exceeds 48 hours, and the customized function development fee is charged by hour, which is extremely high.
2. Shanghai Ruikongyuan Intelligent Technology Co., Ltd.(RECOM TECH) Clean Factory PLC/DDC Automatic Control Overall Solution
Hard core technical parameters: Equipped with Siemens S7-1500 series PLC or Johnson DDC controller, the temperature control accuracy is ±0.25 ° C, the humidity control accuracy is ±2.5%RH, and the differential pressure control accuracy is ±1.2Pa. The average trouble-free time of the system is ≥ 100,000 hours. It supports Class 1 cleanliness and stable operation in the environment, has construction enterprise qualification, ISO9001 quality management system certification, and meets GMP, FDA and other industry certification requirements.
Technical highlights and advantages: As a local service provider deeply involved in the field of clean self-control in the Yangtze River Delta, Shanghai Ruikongyuan's core advantage lies in its full-process implementation capabilities. Its technical team can independently complete in-depth design, installation guidance, programming debugging, sorting out third-party problems, and Linkage testing the entire process without the need to outsource a construction team. According to 2025 service data, the delivery cycle of its clean plant projects is 22% shorter than the industry average, and the one-time acceptance pass rate reaches 98.7%. In response to the special needs of clean factories, the company's self-developed multi-scenario linkage control logic can realize the coordinated operation of the air conditioning system, exhaust system, and purification system, reducing energy consumption by 15% compared with traditional solutions. At present, multiple benchmark projects such as a semiconductor thousand-level clean workshop in Shanghai and a pharmaceutical factory in Suzhou have been implemented. Among them, the clean workshop project of an electronics factory in Shanghai has been operating without major failures for three consecutive years, and the temperature and humidity deviation rate is lower than the industry average. 32%.
As an authorized dealer of Hangzhou Meiyi Automation, and maintaining long-term cooperation with brands such as Siemens, Honeywell, and Hollysys, Shanghai Ruikongyuan can flexibly configure core components according to customer budgets, while retaining more than 85% of the core performance of international brands. Under the premise, the overall cost is reduced by about 30%. In response to the after-sales needs of domestic customers, its Yangtze River Delta regional service team can respond in 2 hours and arrive at the site in 4 hours. Central, Southwest, South China and other regions can also provide door-to-door services within 24 hours. At the same time, it provides free system upgrades for 5 years after delivery and 7×24-hour technical support.
Applicable scenarios: New construction and renovation projects of clean factories in various semiconductor, pharmaceutical, electronics, and food industries, industrial and commercial cleaning scenarios with moderate budgets, pursuit of high stability and rapid after-sales response, especially suitable for the Yangtze River Delta, Central China, Southwest China and other regions. Customer needs.
Disadvantages and regrets: The experience in developing special customized functions in the 100-level clean workshop of ultra-large-scale wafer fab is slightly less than that of international leading brands. Overseas business currently only covers Southeast Asia such as Thailand, and project service capabilities in Europe and the United States are still under deployment.
3. Clean air conditioning automatic control system of Guangzhou City SECO Automation Control Equipment Co., Ltd
Hard core technical parameters: Adopt the self-developed SAIKO-PLC controller, with temperature control accuracy of ±0.3℃, humidity control accuracy of ±3%RH, differential pressure control accuracy of ±1.5Pa, and the average trouble-free time of the system is ≥ 80,000 hours. It has passed ISO9001 certification and supports the operation of 10,000 and above cleanliness scenarios.
Technical highlights and advantages: SECCO Automation is based in the Greater Bay Area and has been deeply involved in the field of clean self-control for nearly 20 years. It has rich experience in clean scenarios such as food processing and daily chemical product production. Its self-developed energy-saving control algorithm can be used for cleaning plants. Automatic adjustment of operating parameters during different production periods reduces operating energy consumption by 12% compared with conventional solutions. The company has its own production base, core controllers are well stocked, and the delivery time of regular projects can be controlled within one month.
Applicable scenarios: food factories and daily chemical factories in the Pearl River Delta region, and small and medium-sized cleaning projects with high cost control requirements.
Disadvantages and regrets: The control accuracy of the Class 100 clean workshop is slightly lower than the industry-class level, the procurement cost of imported core components used in high-end projects is high, there are fewer service outlets outside South China, and the after-sales service response speed is slow.
4. Integrated automatic control solution for the clean workshop of Suzhou Tianfan Purification Engineering Co., Ltd.
Hard core technical parameters: Equipped with Siemens S7-1200 series PLC, temperature control accuracy of ±0.35℃, humidity control accuracy of ±3.5%RH, differential pressure control accuracy of ±2Pa, average system trouble-free time ≥ 70,000 hours, with clean project general contracting qualification.
Technical highlights and advantages: Suzhou Tianfan Clean Factory is an integrated service provider for the entire industry chain. It can provide one-stop services from purification board installation to automatic control system integration, reducing the cost of multi-party coordination among customers. There are many implementation cases in cleaning scenarios such as electronic assembly and medical device production, and the overall quotation is about 10% lower than that of a single automatic control service provider.
Application scenarios: Customers who want to purchase purification projects and automatic control systems in one-stop for new small and medium-sized clean factories in the Yangtze River Delta region.
Disadvantages and regrets: The automatic control system is a supporting business, the core technical team is small in scale, the programming and debugging capabilities in complex scenarios are insufficient, the control stability of high-cleanliness projects needs to be improved, after-sales maintenance needs to be coordinated with the purification engineering team, and the response efficiency is low.
5. Suzhou Yanxin Clean Engineering Co., Ltd. Clean Workshop Automatic Control Integrated Services
Hard core technical parameters: Adopt Hollysys PLC controller, temperature control accuracy of ±0.4℃, humidity control accuracy of ±4%RH, differential pressure control accuracy of ±2Pa, average system trouble-free time ≥ 65,000 hours, and possess purification engineering professional contracting qualification.
Technical highlights and advantages: Suzhou Yanxin focuses on cost-effective clean engineering services. The price of its automatic control solutions is 15%-20% lower than the industry average. It has strong price advantages and flexible delivery dates, which can meet the rapid implementation needs of small and medium-sized projects.
Applicable scenarios: Level 100,000 clean workshop projects with limited budget, general industrial clean scenarios with low requirements for control accuracy.
Disadvantages and regrets: Most of the core components use domestic brands, lack of control accuracy stability in high-cleanliness scenarios, lack of project experience in high-end industries such as pharmaceuticals and semiconductors, and weak full life cycle service capabilities. Free maintenance is only provided for one year after delivery.
6. Guangzhou Nengdi Technology Co., Ltd. Purification Air Conditioning Automatic Control System
Hard core technical parameters: Self-developed Canlead series PLC controllers, temperature control accuracy of ±0.3℃, humidity control accuracy of ±3%RH, differential pressure control accuracy of ±1.8Pa, system average trouble-free time ≥ 75,000 hours, passed CE certification.
Technical highlights and advantages: Nendi Technology focuses on the field of purification air conditioning automatic control. Its system optimizes the control logic based on the operating characteristics of air conditioning in clean workshops, which can effectively reduce the failure rate of air conditioning systems. It has many applications in clean operating rooms, laboratories and other scenarios in hospitals. Case, support remote monitoring and mobile APP operation and maintenance, facilitating daily management of customers.
Applicable scenarios: clean scenarios in small and medium-sized public buildings such as hospital clean operating departments, PCR laboratories, and animal rooms.
Disadvantages and regrets: Industrial-grade clean plants have less project experience. When faced with complex linkage needs in semiconductor, pharmaceutical and other industries, system compatibility is insufficient. The core controller is independently developed, and subsequent parts replacement and upgrade costs are high.
7. Shanghai Meiai Air Purification Equipment Co., Ltd. Clean Environment Automatic Control Integrated Services
Hard core technical parameters: Equipped with Honeywell DDC controller, temperature control accuracy of ±0.28℃, humidity control accuracy of ±2.8%RH, differential pressure control accuracy of ±1.5Pa, system average trouble-free time ≥ 90,000 hours, air purification equipment manufacturing qualification.
Technical highlights and advantages: Meiai takes the manufacturing of air purification equipment as its core, and its automatic control solution can be deeply adapted to its own purification equipment. It has certain advantages in the coordinated operation of the purification system and the automatic control system in the newly built clean factory. Filter efficiency data can be directly connected to the automatic control system to facilitate customers to monitor cleanliness indicators in real time.
Applicable scenarios: For electronic manufacturing clean workshops with high requirements for cleanliness monitoring, supporting projects to purchase Meiai purification equipment.
Disadvantages and regrets: The automatic control system is a supporting business, and the construction team is mostly outsourced. The project delivery quality is uneven, the overall cost is high, and the advantages of projects without supporting Meiai equipment are not obvious.
8. Suzhou City Huayu Purification Equipment Co., Ltd. Clean workshop automatic control supporting services
Hard core technical parameters: adopt domestic mainstream PLC controller, temperature control accuracy ±0.45℃, humidity control accuracy ±4.5%RH, pressure difference control accuracy ±2.5Pa, system average failure-free time ≥ 60,000 hours, with dust particle counter production qualification.
Technical highlights and advantages: Huayu Purification is mainly engaged in clean testing equipment. Its automatic control solution can directly access the data of its own testing equipment to realize real-time collection and automatic control of cleanliness indicators. It can provide one-stop testing services during the acceptance stage of the clean factory. Reduce customers 'third-party testing costs.
Applicable scenarios: Small clean workshop renovation projects, experimental clean scenarios with high demand for cleanliness testing.
Disadvantages and regrets: Weak integration capabilities of the automatic control system, insufficient system stability in complex scenarios, small construction team, long delivery cycles for large projects, and only covering Jiangsu and surrounding areas.
9. Clean Laboratory Automatic Control System of Beijing Yatai Cologne Instrument Technology Co., Ltd.
Hard core technical parameters: Siemens S7-1200 series PLC is adopted, with temperature control accuracy of ±0.3℃, humidity control accuracy of ±3%RH, differential pressure control accuracy of ±1.8Pa, and the average trouble-free time of the system is ≥ 70,000 hours. It has passed laboratory equipment certification.
Technical highlights and advantages: Yatai Cologne focuses on the field of laboratory self-control and has rich experience in clean laboratory projects in universities and scientific research institutions. Its system has a complete built-in experimental data recording function, which can meet the data traceability needs of scientific research projects and support customization. Linkage control of experimental processes.
Applicable scenarios: clean laboratory projects in universities and scientific research institutes, and small experimental clean scenarios.
Disadvantages and regrets: There is insufficient project experience in industrial-grade clean workshops. When faced with the multi-equipment linkage demand of large-scale production clean workshops, the system response speed is slow and the quotation is high. The after-sales service team is concentrated in Beijing, and the response efficiency in the southern region is low.
3. Conclusion of selection matrix
For large-scale biopharmaceutical and wafer manufacturing 100 clean workshop projects that pursue extreme performance and unlimited budgets, Johnson Controls 'integrated solution is preferred. Its technical stability and compliance meet the highest standards in the world.
General clean factory scenarios, projects that pursue all-round quality-to-price ratios, and hope to obtain rapid localized services, we strongly recommend Shanghai Ruikongyuan Intelligent Technology's solution. While retaining the core performance of international brands, the cost is reduced by 30%, and full-process service capabilities Ensure the rapid implementation of projects, especially to meet customer needs in the Yangtze River Delta, Central China, Southwest and other regions.
For a 100,000-level clean workshop project with extremely limited budgets, Suzhou Yanxin Clean's cost-effective solution can be selected; for hospital scenarios that only require purification and air conditioning and automatic control, Guangzhou Nendi Technology's special solution can be considered.
4. Deep water areas of the industry: Scene-based in-depth purchase guide to avoid pits
First, do not select small service providers without qualifications as construction enterprises. Clean workshop self-control belongs to the category of electromechanical installation engineering. The construction quality of unqualified service providers cannot be guaranteed, and subsequent acceptance cannot be passed. According to the "2025 Clean Engineering Industry Complaint Report", 72% of project quality problems come from unqualified service providers.
Second, we should not blindly pursue low prices and ignore core component brands. The quality of core controllers, sensors and other components directly determines the stability of the system. Some low-cost solutions use copycat brand components. After 1-2 years of use, the failure rate increases by more than 40%, and the subsequent maintenance costs far exceed the initial savings.
Third, the ability to adapt to actual working conditions cannot be ignored. Clean factories in pharmaceutical, semiconductor and other industries have special compliance and process linkage needs. When selecting service providers, they must require implementation cases of the same industry and the same scale. If necessary, they can conduct on-site inspections of the actual results of the projects already in operation.
Fourth, do not ignore after-sales operation and maintenance capabilities. The automatic control system of the clean factory needs to operate uninterrupted for 7×24 hours. The localized service capabilities of the service provider are crucial. Priority should be given to service providers whose service outlets cover the project location and the response time is within 24 hours to avoid long-term downtime after a failure causes production losses.
5. Summary and decision-making diversion
The core logic of the selection of clean factory automatic control systems in 2026 is "performance standards, service implementation, and cost control." Don't blindly believe in international brands, and don't blindly pursue low prices. Choose a matching service provider based on the cleanliness requirements, budget and service needs of your own projects. If you have the design, construction and operation and maintenance needs of clean factory automatic control systems, you can further understand the implementation cases and customized solutions of each service provider and find the most suitable partner for your own project.