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Your Trusted EMS Partner


STG Offer Turnkey PCB Assembly Service

STG Electronic is PCB assembly manufacturer in China,STG's capable of providing turn-key and partial turn-key printed circuit board assembly services.

For full turn-key, we take care of the entire process, including PCB manufacturing,, components sourcing,PCB Assembly, PCBA Testing, continuous monitoring of quality and final product assembly.

Whereas for partial turn-key, the customer can provide the PCBs or certain components, and the remaining parts will be handled by STG Electronic.

Our team of PCB industry experts works closely with you to ensure fast turnaround times and the highest quality results. Contact us today to discover how STG can take your PCBAs to the next level !

PCB Assembly Service Capacities

PCB Manufacturing Service:


Aluminum PCB

Rigid-Flex PCBs

Flexible PCB(FPC)

Rigid-Flex PCBs

High Frequency PCBs


High-TG PCBs

Heavy Copper PCB

Metal core PCBs

Component Sourcing:

Long-term cooperation agreements with many domestic and international electronic component manufacturers to ensure the quality of raw materials and stable supply.

Professional Buyers

Reliable Suppliers

Adequate Stocks

SMT Assembly Service:

-Ball Grid Array(BGA) Assembly

-Single & Double-Sided SMT Assembly

-Rigid, Flexible and Rigid& Flexible PCB Assembly

-Placement down to 01005

-FBGA,LGA,QFN package Assembly

-Mixed Technology (SMT and Thru Hole)

-ESD Process

-RoHS Process

-Reflow soldering

Through-Hole Assembly:

-Single & Double-Sided THT Assembly

-Manual Soldering Assembly

-Wave soldering Assembly

-Mixed Technology (SMT and Thru Hole)

-RoHS Process

-ESD Process

-Conformal Coating

Mixed Assembly:

Mixed Assembly PCB, which combines surface mount technology (SMT) and through-hole technology (THT).It combined advantages of both mounting technologies. Most of the applications include SMD and Through-hole components.

Additional Services Provided

Conformal Coating

RTV Encapsulation

Repair & Refurbishment

Rigid Flex PCB Assembly Services

- FPC Assembly manufacturing

  • - Rigid-Flex Board Manufacture

- SMT Assembly / PCBA Assembly

- PCB Parts Sourcing

Professtional PCB And PCBA Test

We firmly believe the best manufacturing, Inpsection and test equipments is a top way to ensure the best quality.

PCB Test:

Flying probe, Fixture test, Impedance test, AOI…

PCBA Test:

SPI Inspection, AOI Inspection, X-ray Test, ICT test, FCT test, Leakage, Open/short test …

Full PCB Enclosure Build Assembly

Enclosure assembly is a full service from PCB manufacturing, parts procurement, PCB SMT, assembly, and testing ending with enclosure assembly.

STG Electronic provides enclosure build manufacturing service involving industrial controllers, consumer electronics, Internet of Things (IoT) modules, electronic and electrical equipment, etc. Box build is to assemble and produce the PCBA. It is boxed with cables and motion motors, then package to form a complete set of products and deliver to the terminal.

Quick-Turn PCB Assembly Prototyping

STG Electronic provide full prototype PCB assembly services for high-end industries like industrial control automation, smart home,IoT, vehicular networking, communication, and medical treatment etc.

It is easy to get a quote for our PCB prototype assembly; just send the PCB file and bill of materials (BOM) list to

You will get full price in 48 hours (If you need quick quote, please send your email as “high priority”).