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Items
Parameters
Material
FR4 (140Tg, 170Tg, 180Tg), FR-406, FR-408, 370HR, IT180A, Metal Core, Polyimide, Rogers 4350B/3003/4003C/5880, Taconic, Teflon,
etc
Material Brands
KB, ITEQ, SY, ISOLA, Rogers (Arlon), Ventec, Laird, Nelco, Bergquist, DENKA, Panasonic, Taconic, or other laminate on customer's
request
Layer Count
1-40
Flammaility
UL 94V-0
Thermal Conductivity
0.3W-400W/mk
Quality Standards
IPC Classes 2/3
HDI Build-up
Any Layer, up to 4+N+4
Board Dimension
1-2 Layers: 1800mmx900mm
Multilayer: 850mmx850mm
Board Thickness
0.1~7mm
Min Thickness
2-layer: 0.1mm
4-layer: 0.4mm
6-layer: 0.6mm
8-layer: 0.8mm
10-layer: 1mm
More than 10 layers: 0.5*Layer Count*0.2mm
Copper Thickness
0.5-20oz (Max 33oz)
Solder Mask Colors
White, Black, Green, Blue, Red, Yellow, Orange, Purple, Matte Green, Matte Black; Carbon Ink
Solder Mask Brands
Green: RongDa, KuangShun
White: Coants, LanBang, Taiyo
Solder Mask Thickness
0.2mil-1.6mil
Solder Mask Dam
4mil
Surface Finishes
Bare Copper, Hasl lead-free, Carbon Ink, ENIG, Gold Fingers, OSP, IAg, ISn, etc
Plating Thickness
HASL:
Copper Thickness: 20-35um Tin: 5-20 um
Immersion Gold:
Nickel: 100u"-200u" Gold: 2u" -4u"
Hard Plated Gold:
Nickel: 100u"-200u" Gold: 4u"-8u"
Golden Finger:
Nickel: 100u"-200u" Gold: 5u"-15u"
Immersion Silver: 6u"-12u"
OSP: Film 8u"-20u"
Min Hole Size
0.08mm
Min Trace Width/Spacing
2mil/2mil
Minimum Solder Mask Clearance
2mil
Min Annular Ring
4mil
Min Pad to Pad Clearance
2mil
Via Plugging
0.2~0.8mm
Line Width/Space Tolerance
±10%
Board Thickness Tolerance
±5%
Hole Diameter Tolerance
±0.05mm
Hole Location Tolerance
±2mil
Layer to Layer Registration
2mil
S/M Registration
1mil
Aspect Ratio
25:1, Max to 40:1
Blind Vias Aspect Ratio
0.7:1, Max to 1:1
Outline Tolerance
±0.1mm
V- CUT Tolerance
±10mi
Bevel Edge
± 5mil
Warp and Twist
≤0.50% (max cap)
Quality Test
AOI, 100% E-test
Value-Added Services
DFM Check, Expedited Production
Featured Processes
Bonding, Impedance Control, Via in Pad, Press Fit Hole, Countersink/Counterbore Hole, Castellated Vias, Edge Plating, Peelable
Solder Mask, Resin Plugged, Plating Flat
Data Formats
Gerber, DXF, PCBdoc, ODB++, HPGL, BRD, etc

Item
PCBA Abilities
Turnkey Service
PCB Design + PCB FAB + Components Sourcing + PCB Assembly + Package
Value-Added Services
BOM Analysis, Conformal Coating, IC Programming, Wire Harness & Cable Assembly, Box Building
Assembly Details
6 SMT + 4 DIP (Dust and anti-static lines)
Assembly Abilities
SMT 5 million points per day
DIP 10 thousands pieces per day
Technical Support
Free DFM/A check, BOM analysis
Handing Standards
IPC-A-600H, IPC-A-610F, J-STD-001F
MOQ
3 piece
Inspection & Testing
Visual Inspection, AOI, SPI, X-ray inspection. First article inspection for each process.
IQC + IPQC + FQC + OQC Inspection Flow
Flying probe test/In-circuit test/Function test/Burn-in test
Files We Need
PCB: Gerber (CAM, PCB, PCBDOC)
Components: Bill of Material (BOM list)
Assembly: Pick-and-Place file
Functional test: Test Guide
PCB Panel Size
Min: 0.25×0.25 inches (6×6mm)
Max: 20×20 inches (500×500mm)
PCB Solder Type
Water soluble solder paste, RoHS lead-free
PCB Assemble Methods
SMT, THT & Hybrid, single or double side placement,
Part removal and replacement.
Components Details
Passive down to 0201 (01005) size
Press fit connectors
QFP/BGA/LGA/QFN/COB/COF
CSP/WLCSP/POP
Fine Pitch High Pin Count Connectors
BGA repair and reball
Lead Time
Prototype: 5-15 working days;
Mass production: 20~25 working days.
The fastest delivery time is 3 days.
Packaging
Anti-Static Bags/Customized Packaging

One-Stop OEM PCB Assembly Professional Turnkey PCBA
Pinsheng Electronics started to provide contract electronics design and manufacturing services in 2008, we are obsessed with providing the happiest manufacturing experience to our customers.
When our founders found it difficult to get technical support and always high-quality products from the manufacturers, they sprouted the vision to provide blissful electronics manufacturing services to others, they rented an old workshop and started the journey.
In over 15 years, with the same vision, we have designed, manufactured, and delivered 5,000+ projects for over 2,000 SMEs. The products are alive to us, not lifeless pieces of stuff.

SMT & DIP Workshop

Quality And Policy:
Continually improve our quality, efficiency, service to satisfy thecustomer's requirement.

Quality System:
1. ISO-9001:2018 Quality System Standard
2. ISO14001 Environment System Standard
3. Quality Standard: IPC-610-D class 2,
4. Soldering Standard: J-STD-001 class 1,2,3
5. ESD Standard: ESD-MIL-STD-1686
6. Workshop management:5S
7. FAI-first article inspection
8. In process visual inspection
9. AOI inspection
10. X-ray Inspection
11. SPI Inspection
12. Machine calibration and preventative maintenance
13. ERP material and process management ( ERP=enterprise resource planning computer system)

Quality standards
IPC-A-610D-G

Material Control

Material Brand
ShengYi, NanYa, ITEQ, Ventec, etc
Regular Thickness
0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm
Normal Size (FR4 Sheet)
(length x width mm)
1220x914, 1220x1016, 1220x1066
1232x927, 1295x1092, 1280x1080
1245x940, 1245x1041, 1245x1092
Normal Size (MCPCB Sheet)
(length x width mm)
1000x1200, 1050x1250
Key inspection items
1.Manufacturer Brand; 2.Material certificate;
3.Appearance of the material; 4.Dimension;
5.Sample checking.

The qualified material must be marked with the relevant material inspection certificate, then qualified material will be saved to
warehouse.

#Quality Assurance

Production Control
#Main Person in Production Workshop:
-Technical Manager
>= 3 years of relevant work experience

-Engineers
>= 5 years of relevant work experience
Be fluent in English
Familiar with PCB circuit layout and design software (Altium, Protel, PowPCB)
Master PCB manufacturing and fabrication process

-New employees
Need to pass the Pre-job training
#Unqualified Control Process
Regarding the management of non-conforming products in the production process, our company strictly follows the "non-conforming
product management procedures".

Quality control department,
Engineering department,
Production department,
QA department,
Business department
are responsible for resolving problems together.

FAQ
Q1: What's your monthly capacity of PCB assembly
A: Monthly 140 million points from SMT, 300K pieces from DIP.

Q2: How do you go quality control in PCB assembly?
A: We fully comply with ISO requirements and process in accordance with the Quality Management Manual for order management, production management, and process management, and strictly implement processes such as corrective and preventive measures and change management.

Q3: Can you source parts for me even if no assembly need?
A: Absolutely please provide us with your BOM or a list we will analyze the source make classified packaging attached with labels then send them to you.

Q4: What is your components procurement capability? Which supplier do you work with directly?
A: We have more than 40,000 part models in stock, and provide you with hard-to-get chip supply. Our parts are directly from the top level suppliers such as Microchip, TI, ARROW, AVNET, FUTURE, ELMENT, Digikey...

Q5: How do you go inventory management?
A: According to ISO process warehouse management operation guideline, we observe the principle of first-in-first-out of materials, and control the temperature (constant 25°C) and humidity (40% RH) of the warehouse with strict anti-static. Stock materials are managed separately according to different customers.

Q6: How are EOL (End of Life) materials handled? Is it possible to provide the successful case of replacing EOL material?
1. If EOL happens in the running projects, the agent will send a production stoppage notice (Order & Supply deadline), and then our clients will get notified with our alternative suggestions.
2. For the projects transferred from other production source, we will source alternatives in advanced, or come up with and help our clients to change the design if no exact match alternatives.
3. For other cases, we will try to meet the short-term needs of customers based on our understanding of the market inventory situation.

Q7: Do you provide IC programming and fixture creation?
A: IC programming is available for all of our customers, please provide the guidelines and software, it can be done by IC burner or motherboard burn-in. We can make the fixtures as customers' requirements.

Q8: What test methods do you provide?
A: The boards will go through AOI, X-ray, default circuit testing, function testing in regular, and more testing as required.

Q9: What's the lead time?
A: It depends on the quantity and BOM. For usual small batches, it takes about 3-5 weeks, when it comes to mass production for forecast orders, we will schedule the production about 10-12 weeks before delivery.

Q10: How do you ensure delivery on time?
A: We generally guarantee delivery within 5 days after the material is ready (except for rush orders), our measures include:
1. receiving and verifying the files prior to quotation;
2. ensuring all the materials get ready on time and be checked at the same time;
3. making PCB boards and stencil according to Gerber first;
4. communicate in time when prototyping is running to ensure that problems are handled on the same day.