
Consumer electronics pcba circuit board proofing batch customization OEM service
STG has a professional technical engineer team and rich experience in pcba processing, and strictly checks and analyzes the customer's BOM list and
related technical documents. The pcba processing services we provide start from the production of PCB circuit boards, select PCB manufacturers, and
pay attention to the quality of circuit boards and pcba quality control system. Perfect IPC, IPQC, OQA and other management processes, pcba
processing services, clear job responsibilities, and strict implementation of IPC electronic assembly acceptance standards.
STG adopts the industry's best multi-function placement machine, ten temperature zone reflow furnace configuration, equipped with wave soldering,
BGA rework station, AOI, X-RAY testing equipment, SMT daily production capacity of about 1 million pieces; daily average of 200,000 DIP plug-ins ,
Our product range covers various fields, such as consumer electronics, telecommunications, home electronics, industrial products, automotive assembly,
medical equipment, etc.

Our services include:
1. PCB manufacturing
2. pcba, pcb assembly: SMT & PTH & BGA
3. pcba and enclosure design
4. Components sourcing and purchasing
5. Quick prototyping
6. Plastic injection molding
7. Metal sheet stamping
8. Final assembly
9. Test: AOI, In-Circuit Test (ICT), Functional Test (FCT)
10. Custom clearance for material importing and product exporting


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 application
Products and services are widely used in automotive, electric power, communications, aerospace, industrial control, computer applications and other fields!



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pcb assembly quote,printed board assembly online quote
Requested information for pcb assembly quote:
1. Gerber file of the bare PCB board
2. BOM (Bill of material) for assembly
To short the lead time, please kindly advise us if there is any acceptable components substitution
3. Testing Guide & Test Fixtures if necessary
4. Programming files & Programming tool if necessary
Welcome to your inquiry,no matter by call or by email.We will provide you with pcba solution and pcb assembly quote.