EMS Printed Circuit Board Manufacturer

EMS Printed Circuit Board Manufacturer

​Tecoo provides full and partial turnkey PCB assembly services with 4 Yamaha YS12F High Precision Mounter (YAMAHA)SMT lines, X-ray, AOI, spanning over 2000 square meters. We specialize in rigid PCB assembly and flexible PCB assembly. Our quality-oriented custom circuit board assembly process ensures that your finished project is of the highest quality. We handle everything including manufacturing circuit boards, ordering components, online order tracking, quality inspection and final assembly.

Product Introduction

We optimize the overall business model and keep expanding the scale of Servo driver controller, circuit card assembly, printed circuit board contract manufacturers industry through industrial operation and capital operation. We insist on driving practice with academics and advancing academics with practice. Our stable and professional management service team ensures the high efficiency of our services, and the logistics system and regional warehouses allow product circulation.

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Custom Circuit Board Assembly Services


PCB Assembly Types: Surface Mount Technology (SMT), Ball Grid Array (BGA), uBGA/Micro BGA, Chip Scale Package (CSP)

Soldering techniques: selective wave soldering, high melting point (HMP) soldering, Pb88 soldering and Au80 soldering

Solder Type: Lead Solder, Tin Solder, Lead Free Solder/RoHS Compliant

Testing and Inspection: Flying Probe Testing (FPT), Automated Optical Inspection, X-ray Inspection

Provide you with various PCB prototype assembly services, including wiring harness assembly, injection molding, conformal paint.


Custom Circuit Board Assembly test program


Before final shipment, the assembled board will be subjected to various test methods:

Visual inspection: general quality inspection.

FAI: Full quality inspection of the first PCB to pass all stages of production.

X-ray inspection: Inspect BGAs, QFNs and bare circuit boards.

AOI Test: Check solder paste, 0201 components, missing components and polarity.

3D AOI testing: Check for missing and misplaced SMT components in three dimensions.

3D SPI Testing: Measure the precise volume of solder paste for SMT assembly.

ICT (Online Test).

Functional testing (as per your testing procedure).

ISO certification

Tecoo's production facilities are ISO9001 certified to ensure we exceed your expectations.


If you need a quote for PCB design, fabrication or assembly, please call +86-577-89776016, or email sales@tecoo.com. We need basic information such as board Gerber and BOM.


It is our standardized and refined enterprise management that ensures the fine quality of our EMS Printed Circuit Board Manufacturer. We establish an incentive system to promote the development of employees and enrich the incentive means to realize the foundation of the enterprise. Over the years we have always taken ecological civilization and environmental protection as our responsibility.

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