GreensTone is focused on Turn-key PCB assembly for over 10 years. Our one-stop service includes PCB manufacturing, PCB components procurement, SMT&Though-hole, and PCBA burn-in testing and programming.
GreensTone has over 10 years of experience in the China turn key PCB assembly industry. Our core values are centered around customer service, engineering, manufacturing, and product solutions. In the beginning, we gained a stellar reputation through China turnkey PCB electronics assembly services and our customers pushed us to help them find solutions for PCB Fabrication, Components, Interconnect, Cables, Packaging Systems, and Mechanical parts in plastic or metal. Our expansion into these areas has allowed us to provide our customers with a wide range of engineering and manufacturing capabilities. Our core business is PCB assembly!
What is turnkey pcb assembly? When to Use Turnkey PCB Assembly?
Turnkey printed circuit board assembly is a one-stop service where the manufacturer handles the entire production process, including PCB fabrication, component sourcing, assembly, and quality testing. Customers only need to provide design files such as Gerber files and a Bill of Materials (BOM), while the manufacturer takes care of procurement, production, and final delivery. This approach saves time, reduces costs, and ensures high-quality, streamlined manufacturing, making it ideal for prototyping and mass production.
When to use Turnkey PCB Assembly:
1. Prototyping and Low-Volume Production – When developing new products, turnkey assembly ensures quick turnaround times and high-quality prototypes without the hassle of sourcing components.
2. Mass Production – For large-scale manufacturing, turnkey services streamline production by managing procurement, assembly, and testing, reducing delays and supply chain risks.
3. Time-Sensitive Projects – Companies with tight deadlines benefit from turnkey solutions since the entire process is handled by one provider, minimizing coordination efforts.
4. Businesses Without In-House Manufacturing – Startups and companies without dedicated assembly facilities can leverage turnkey PCB assembly to access professional manufacturing without investing in equipment and staff.
5. Complex PCB Designs – When dealing with multilayer or high-density PCBs, turnkey providers offer expertise in sourcing precise components and ensuring reliable assembly.
China Turnkey PCB Assembly Quality Control Process
Assembly manual instruction
The PCBA engineer of prototype pcb assembly supplier GreensTone make the assembly manual instruction to norm the manufacturing process in advance, guide the production, and improve the quality from the process technology
IQC Incoming Quality Control
Check all the components values, pads size, brands, manufacturing date and code
SPI Solder Paste Inspection
Solder paste inspection can check the solder paste is sufficient and uniform to prevent assembly quality problems in advance caused by poor solder paste soldering
Online AOI Inspection
The AOI can check the short circuit, offset, wrong solder, reverse solder, false solder, empty solder, incomplete solder, etc. It also can check excessive solder, less solder, continuous solder and solder joints.
First sample confirm
Check the first China turnkey pcb electronics sample with Gerber, BOM and coordinate files, test it's function with the testing program. Only sample confirmed by PCBA engineer, it can go for mass production.
Off-line AOI inspection
Check the soldered surface mount assembly for errors, omissions, and false connections.
X-Ray welding inspection
Inspect the solder joints of invisible components like BGA.
QC manual inspection
The assembled board is visually inspected to ensure 100 % ok.
Specification of China Turnkey PCB Electronics Assembly.
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