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PCB Assembly Services

KML is a professional PCB Assembly manufacturer, located in Shenzhen city, mainland China, providing high quality full turnkey PCB Assembly services for worldwide customers since 2012. The services include rigid PCB fabrication, flex PCB fabrication, rigid-flex PCB fabrication, electronic components sourcing, SMT PCB Assembly, through-hole PCB Assembly, cable harness assembly, functional test and final box build. 

For SMT PCB Assembly, KML have six high speed SMT lines with 24 pieces SAMSUNG SM411 and SM421 high speed SMT machines (placement accuracy:±50um, placement speed: 1608chip CPH 42000; SOP, CPH 30000), which can handle 0201 package parts, fine pitch QFP,QFN,DFN, LGA and BGA package IC chips very well. That means if you hand over your PCB Assembly job to KML, you do not need to worry about quality and lead time issues at all. 

The PCB Assembly services KML can offer:

l   Prototype PCB Assembly;

l   Low&High Volume PCB Assembly;

l    PCBA Test;

l   Conformal Coating;

l   Cable harness assembly;

Final Box-build and Packaging. 

About electronic components sourcing, in order to attract customers with very low prices, some suppliers may sell fake or recycled parts, temporarily, it can pass the test and bring some economic benefits, but after 2-3 months, the whole system will be broken down. It will be fatal damage to customer. But KML have very stable sourcing channels. We only work with original parts manufacturers or their authorized distributors to guarantee the parts we purchase are genuine, with reasonable price, short lead time and high quality. 

All the boards KML manufacture, we guarantee that:

l   100% functional tested before delivery;

 Two years warranty;

l   Never use fake parts or recycled parts;

l   None-disclosure agreement signed. 


There is really only one company to contact when you have PCB assembly needs, and that's KML. Check out this list of some of the high-quality PCB assembly services we offer:

• One-Stop Fabrication and Assembly: A turnkey start-to-finish solution meets all your needs.

• Multiple PCB Assembly Services: SMT, THT, Mixed Assembly, Package on Package (POP), Rigid PCBs, Flex PCBs - if there's a type of printed circuit board that can be assembled, we almost surely do it.

• Flexible Volume Assembly Alternatives: Prototypes, low volume, high volume — we do it all.

• Parts Sourcing: We have years of experience and stable relationships with authorized electronic components manufacturers and distributors, so you always get real, quality parts. All parts go through 100 percent quality inspection before use.

• Comprehensive Quality Assurance: From visual inspection to AOI and X-ray inspection, we take quality control very seriously and test everything rigorously for functionality and quality.

• High Efficiency, Low Cost: You'll appreciate the value of our added free services, like our Valor DFM/DFA check and expert professional design assistance.

• Professional Engineering Team: We're highly qualified and dedicated to the success of your project, allowing you to start with optimized designs and giving you a better chance to meet project deadlines.


Flexible Volume PCB Assembly Service From KML

Our PCB assembly services go above and beyond what the average assembly PCB company will do. We offer a variety of flexible circuit board assembly services for the different stages of your product development, including:

• Prototype PCB Assembly: See how well your PCB design works before generating a large order. Our quality prototype PCB assembly allows us to deliver a quick prototype, so you can identify any potential challenges in your design fast and optimize the quality of your final boards.

• Low-Volume, High Mix PCB Assembly: If you require a number of different boards for specialized applications, KML is your company.

• High-Volume PCB Assembly: We are equally as skilled at cranking out large PCB assembly orders as we are at delivering small ones.

• Consigned & Partial PCB Assembly: Our consigned PCB assembly services meet IPC Class 3 standards, are ISO 9001:2008-certified and are RoHS-compliant.

• Full Turnkey PCB Assembly: Also ISO 9001:2008-certified and RoHS-compliant, our turnkey PCB assembly allows us to take care of your entire project from start to finish, so you can step in and start taking advantage of the finished product right away.

• From SMD to through-hole and mixed assembly projects, we do it all, including free Valor DFM/DFA checks and function testing to verify the quality of your boards, with no minimum cost requirements or added tooling charges when you reorder. Our detailed assembly capabilities are listed in the table below:


PCB Assembly (PCBA Manufacturing)

KML is China PCB assembly manufacturer ,who offers complete PCB assembly services in Shenzhen , KMLPCB'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 manufacturing of Printed Circuit Boards, procurement of components (100% original) , PCBA Testing , continuous monitoring of quality and final assembly. Whereas for partial turn-key, the customer can provide the PCBs and certain components, and the remaining parts will be handled by us.