PCB Assembly

China PCBA Manufacturer

Expert PCB Assembly Services in China – Quality, Speed, and Reliability You Can Trust.

Value-added Services

Our value-added services are designed to enhance your experience and provide additional benefits beyond our core offerings. From quality guarantees to personalized support, we are committed to going the extra mile to ensure your complete satisfaction.

Free DFM Check

Free DFM analysis to Ensure the PCB design is optimized for assembly, reducing errors and improving yield rates.

Mixed Technology Assembly (SMT + THT)

Support both Surface Mount Technology (SMT) and Through-Hole Technology (THT) for complex or hybrid PCB designs.

Quick turn PCB Assembly

Expedited assembly services to meet tight deadlines, ideal for prototyping or urgent production needs.

Turnkey PCB Solution

Comprehensive end-to-end service covering PCB fabrication, component sourcing, assembly, and testing, providing a seamless experience for customers.

General PCBA Specification

No. Item Feature Standard Advanced
1 Layer Count Min~Max 1~16L 48 L(Max.)
2 Material Types FR-4, Aluminum/ Copper-base, Rogers FR-4(Halogen-free), Arlon
3 Panel Size Max 508 x 610 mm(20”x 24”) 508 x 1500 mm(20” x 34”)
4 Finished Thickness Min~max 0.2~5.0mm(0.005~0.126”) 0.2~6.5mm(0.005~0.165”)
5 Trace Width/ Space Inner/ Outer layer 3/3mils(0.075/0.075mm) 2/2mils(0.05/0.05mm)
6 Mechanical Drilling Min 0.008”(0.20mm) 0.006”(0.15mm)
7 Mechanical Drilling Max 0.197”(5.0mm) 0.256”(6.5mm)
8 Laser Drilling Min 0.006”(0.15mm) 0.004”(0.10mm)
9 Aspect Ratio Max 12:1 20:1
10 Copper Thickness Min~max 0.5~6 OZ 20 OZ(max)
11 Solder Mask Color Glossy/Matt Green, white, black, red, blue Yellow, pink, purple
12 Silkscreen Color White, black /
13 Surface Finish Types HASL, Immersion Gold/ Tin/ Silver, Plating hard Gold, OSP ENEPIG
14 Routing Bit diameter 0.093”, 0.062”, 0.031” 0.021”
15 Profile Tolerance ±0.006”(0.15mm) ±0.004”(0.10mm)
16 V-scoring Angle 30° 20°/ 45°/ 60°
17 Plating Hard Gold Thickness 0.032”(0.8um) typical 0.050”(max)
18 Special Processes / Carbon Ink, Peelable Mask, depth controll milling /

Main Equipment

Typical SMT line

PCB Loader Solder Paste Printing 3D SPI Fuji NXT III Fuji AIMEX III Fuji XPF Reflow Oven AOI 3D X-Ray
The first automated step, where boards are fed into the assembly line, ensuring consistent orientation and spacing for downstream processes. High precision high stability solder paste printing, Printing accuracy ±0.025mm, Screen frame size: 470*380-900*900mm, PCB size: 50*50 ~ 600*610mm PCB thickness: 0.4-5mm. 3D white light PSLM PMP, Bad detection types: missing printing, less tin, more tin, even tin, deviation, bad shape, surface pollution Maximum PCB size: 510 x 505mm. Fuji latest generation of high-speed mounting modules. Single module component mounting capacity up to 37500CPH. Can mount 01005, 0201, 0402 and other devices. Can mount the next generation of 03015 ultra-precision devices. Minimum mouting package: 03015, Number of stickers: 35000CPH, PCB size: 48*48mm-774*710mm, Chip precision: minimum ±0.034mm, IC chip precision: ±0.025mm. Minimum mouting package: 01005, Chip/0.35mm BGA, PCB thickness: 0.3-6.5mm, PCB size: 50*50mm ~ 686 x 508mm, Chip precision: minimum ±0.04mm, IC chip precision: ±0.03mm. 12 temperature heating zones, Heating time: around 30 minutes, PCB temperature distribution deviation: < 1.5℃, Maximum width of PCB: 610mm. PCB size: 630 x 520mm, PCB thickness: 0.5 ~ 5.0mm, PCB component height: upper:35mm, lower: 110mm, PCB warping degree: bending less than 3mm is acceptable. Maximum sample size: 800 x 500mm, Number of PCT production photos: 360, Number of photos produced by ACT:1500-1800, Resolution: 0.75um minimum.

PCB Assembly Processes

A step to step guide

The PCB assembly process is a systematic sequence that transforms a bare PCB into a functional electronic device. It involves multiple stages utilizing specialized equipment and quality controls, ensuring reliable and efficient integration of components according to design specifications.

Our Certifications

Related IPC Standards

In-depth and comprehensive overview of PCB industry standards and best practices required for ensuring quality assurance and consistency across all production processes.

PCB Acceptance