PCB Printed Circuit Board From Changzhou

PCB Printed Circuit Board From Changzhou

​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

In order to serve our customers more effectively, we can also develop individual Electro mechanical Assembly, prototype PCB assembly services, washing machine motherboard for our customers according to their needs. We are in line with the 'innovation, development, beyond' business philosophy, the company since its inception, unswervingly implement the quality policy, continuous improvement, the pursuit of limits. We provide employees with advanced and perfect cultural facilities, and also build a united and harmonious interpersonal relationship.

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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.


We have a perfect quality control system, professional quality inspectors, and strict inspection of each process to ensure the precise process and perfect quality of each PCB Printed Circuit Board From Changzhou. We vigorously implement the strategy of strengthening the enterprise with talents, and strive to build a high-quality and professional talent team. We take 'continuous improvement, pursuit of excellence' as the quality policy, in line with the enterprise spirit of 'unity, diligence, innovation and development'.

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