Three high rails + Thermal insulation tape

Innovative sliding window design for waterproofing/airtightness/soundproofing/thermal insulation

German imported accessories

After 100000 times switch test, using well-known brand accessories, product quality assurance

Welcomed by dealers in all regions, with customer satisfaction as high as 98.5%.

Through the mutual introduction of customers, WANJIA's business scope has been expanded to 150+ countries.

Meeting with distributors and contractors through offline exhibitions around the world and dispatching 25+ overseas engineers to assist in the project progress.

We have customized designs for 150K+ clients19 years of experience in the production, research and development and sales of windows and doors, project types include residential, commercial, industrial, hotels, hospitals, schools

We have customized designs for 150K+ clients19 years of experience in the production, research and development and sales of windows and doors, project types include residential, commercial, industrial, hotels, hospitals, schools

The First Window and Door Supplier in Alibaba to Receive ENERGY STAR CertificatioAccording to statistics, the use of our products can save energy consumption by more than 30% per year.

The First Window and Door Supplier in Alibaba to Receive ENERGY STAR CertificatioAccording to statistics, the use of our products can save energy consumption by more than 30% per year.

Glass Energy EfficiencyGlass plays a vital role in windows, and at WANJIA's you can choose between 2 and 3 layers of glass to maximize the jointing effect through excellent insulating profiles and sub-systems for glazing performance

Glass Energy EfficiencyGlass plays a vital role in windows, and at WANJIA's you can choose between 2 and 3 layers of glass to maximize the jointing effect through excellent insulating profiles and sub-systems for glazing performance

Thermal Break Window

WANJIA's thermal break windows and doors are made of high-quality hardware and insulating materials, with a hidden isobaric drainage system to prevent wind pressure, rain and backflow.WANJlA's PA66 insulation strips are the best insulation available

- Provide design proposal and rendering within 36 hours- ISO/SGS/TUV factory inspection and testing- 10,000+ Product debugs

Logistics Tracking System

Bush production to delivery, provide DDP logistics, three layers of packaging materials, to ensure that the transport without damage.

Extensive logistics experience saves you 45% on your logistics costs

Main Products

Aluminum windows, aluminum doors, upvc windows, upvc doors. Curtain wall, sunroom, etc.