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Professional SMT PCB Assembly & Custom PCBA Services

Trusted PCB Assembly Manufacturer from China – Delivering High-Quality, RoHS-Compliant Electronic Solutions Worldwide

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About Kezhixin (Shenzhen) Technology Co., Ltd.

Factory PCB Assembly

Kezhixin (Shenzhen) Technology Co., Ltd. is a professional manufacturer specializing in electronic product surface mount technology (SMT) and through-hole technology (DIP) services. With over 10 years of experience in PCB circuit board fabrication and assembly, we provide comprehensive services from circuit board layout design to finished product assembly.

We offer sample processing and large to medium batch production of electronic products, as well as OEM manufacturing services. Our solutions serve a wide range of industries including telecommunications, healthcare, aerospace, computers, electronics, and industrial control equipment.

  • Established in 2023 – Rapid Growth & Innovation
  • Annual Sales: $5,000,000+ – Proven Market Demand
  • Global Exporter – Products Sold Worldwide
  • Full One-Stop Service – From PCB Purchase to Final Assembly
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Our PCB Assembly Categories

SMT PCB Assembly

High-speed surface mount technology for precision component placement. Ideal for compact, high-density designs with automated inspection (AOI, X-Ray).

Custom PCB Assembly

Tailored solutions for unique size, layer count, and material requirements. From concept to production, we deliver fully customized PCBA boards.

Prototype PCB Assembly

Rapid prototyping with fast turnaround. Support for 0.4mm–3.2mm thickness, HASL, ENIG, OSP finishes, and double-sided configurations.

Multilayer PCB Assembly

1–20 layer boards with min hole size 0.25mm. FR4 and CEM-3 materials available. Ideal for complex industrial and communication systems.

Aluminum PCB Board

High thermal conductivity boards for LED, power supplies, and motor controls. Thickness from 0.4mm to 3.2mm with ENIG or Immersion Silver finish.

PCB Cloning Service

Reverse engineering of existing PCBs to replicate or improve designs. Complete documentation and testing included.

Top PCB Assembly Products

Lift Monitoring Devices Microphone Amplifier PCB

Lift Monitoring Devices Microphone Amplifier PCB

  • • PCB Cloning Service Available
  • • SMT & DIP Assembly
  • • RoHS Compliant
  • • Customizable Design
OEM/ODM Multilayered 1 Layer PCBA

OEM/ODM Multilayered 1 Layer PCBA

  • • One-stop service from PCB to assembly
  • • 0.2–6.0mm board thickness
  • • HASL, ENIG, OSP finishes
  • • Blue or White Silkscreen
Industrial Control PCB Assembly

Industrial Control PCB Assembly

  • • COB Components Supported
  • • ENIG Surface Finish
  • • 0.5oz–4oz Copper Weight
  • • Rugged for Harsh Environments
Air Conditioner PCBA Control Board

Air Conditioner PCBA Control Board

  • • Double-sided assembly
  • • White silkscreen color
  • • CEM-3 material
  • • High reliability for HVAC
OEM PCB Cloning & Custom Boards

OEM PCB Cloning & Custom Boards

  • • Full reverse engineering
  • • SMD, BGA, DIP components
  • • 8-layer custom designs
  • • EMS PCBA Assembly
Multilayered 1 Layer PCBA Board

Multilayered 1 Layer PCBA Board

  • • Cost-effective single layer
  • • Supports complex routing
  • • Flying probe & X-ray tested
  • • Ideal for consumer electronics
Rigid Flex PCB

Rigid Flex PCB Assembly

  • • Combines rigid and flexible layers
  • • Space-saving 3D configurations
  • • High durability
  • • Used in aerospace & medical devices
2 Layers High-End Intercom PCB

2 Layers Intercom Module PCB

  • • High-end communication module
  • • Double-sided SMT assembly
  • • Blue solder mask
  • • ICT and AOI tested

Why Choose Our PCB Assembly Services?

10+

10+ Years Experience

Decades of expertise in PCB design, fabrication, and assembly ensure top-tier quality and reliability.

1–20

1–20 Layer PCBs

From simple single-layer to complex multilayer boards with 0.25mm min hole size.

RoHS

RoHS Compliant

Environmentally safe manufacturing with lead-free processes and materials.

OEM

OEM/ODM Support

Full-service manufacturing from component sourcing to final assembly and testing.

2023
Year Established
$5M+
Annual Sales
Global
Export Coverage

Frequently Asked Questions

What is SMT PCB Assembly?

SMT (Surface Mount Technology) is a method for producing electronic circuits where components are mounted directly onto the surface of printed circuit boards. It allows for higher component density and automated assembly.

Do you offer PCB cloning services?

Yes, we provide full PCB cloning and reverse engineering services. Send us your existing board, and we’ll replicate or improve the design with full documentation.

What file formats do you accept for quotes?

We accept Gerber files, BOM (Bill of Materials), Pick & Place files, and schematics. Up to 5 files, each up to 10MB.

Are your products RoHS compliant?

Yes, all our PCB assemblies are RoHS compliant, using lead-free solder and environmentally safe materials.

What is the lead time for prototypes?

Typical lead time for prototype PCB assembly is 5–7 working days, depending on complexity and component availability.

Ready to Start Your Project?

Submit your requirements securely and get a fast, accurate quote from our engineering team.

Visit Official Website to Contact

Kezhixin (Shenzhen) Technology Co., Ltd.

Phone: 86-180-2539-3102

Email: [email protected]

Building D4, 3rd Floor, Unit 315, Yingzhan Industrial Park, Longtian Community, Pingshan District, Shenzhen City, Guangdong Province, China

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