
SMT pcb assembly service
One-stop OEM pcb assembly services pcba manufacturer
STG specializes in pcb assembly and processing business, providing electronic components procurement,SMT (surface mount) processing, BGA welding, THT (plug-in) welding, assembly, testing, inspection, packaging to transport and other whole process services.
pcb production 1.NO MOQ 2.24 hours quick turn prototype 3.prototype&mass production 4.on time delivery 5.100% electrical test gurantee 6.competitive price ![]() | pcb assembly 1.SMT pcb assembly & PTH assembly 2.fine pitch BGA QFN smallest 0201 package 3.Bonding assembly 4.pcba AOI&X-ray inspection 5.pcba ICT function testing 6.no MOQ requirements 7.over 150 speedy samples can be processed within 1 8.working day 9.40 million to 80 million SMT points each month ![]() | one-stop turnkey service 1.PCBA components sourcing 2.SMT stencil 3.SMT&Through holes assembly 4.PCBA cable assembly 5.PCBA conformal coating 6.PCBA software programming 7.PCBA functional testing 8.PCBA enclosure assembly 9.PCBA customized packaging ![]() |
Introduction of our pcb assembly capability
Article | Description | Capability |
Laminate Materials | FR4, high TG FR4, high frequency, alum, FPC | |
Board Cutting | Number of layers | 1-30 |
Min.thickness for inner layers | 0.003”(0.07mm) | |
(Cu thickness are excluded) | ||
Board Thickness | Standard | (0.1-4mm±10%) |
Min. | Single/Double:0.008±0.004” | |
4layer:0.01±0.008” | ||
8layer:0.01±0.008” | ||
Bow and twist | no more than 7/1000 | |
Copper Weight | Outer Cu weight | 0.5-4 0z |
Inner Cu weight | 0.5-3 0z | |
Drilling | Min size | 0.0078”(0.2mm) |
Drill deviation | ±0.002″(0.05mm) | |
PTH hole tolerance | ±0.002″(0.005mm) | |
NPTH hole tolerance | ±0.002″(0.005mm) | |
Solder Mask | Color | Green,white,black,red,blue… |
Min solder mask clearanace | 0.003″(0.07mm) | |
Thickness | (0.012*0.017mm) | |
Silkscreen | Color | white,black,yellow,blue… |
Min size | 0.006″(0.15mm) | |
Component Sourcing | Yes | |
Tolerance of PCB | ±5% | |
Max Size of Finish Board | 700*460mm | |
MOQ | NO MOQ (1pcs) | |
Surface Finish | HASL,ENIG,immersion silver,immersion tin,OSP… | |
PCB Outline | Square,circle,irregular(with jigs) | |
Package | QFN,BGA,SSOP,PLCC,LGA | |
Sub-assembly | Plastic,metal,screen | |
Min Line/Space | 0.075/0.075mm |
pcba processing services, including PCB proofing expedited proofing circuit board, single-sided PCB, double-sided circuit boards, multi-layer circuit boards
pcb assembly type.
1.aluminum pcb assembly
2.flexible pcb assembly
3.rigid-flex pcb assembly
4.RF PCB
5.FR4 PCB
PCBA application
Products and services are widely used in automotive, electric power, communications, aerospace, industrial control, computer applications and other fields!



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