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One-Stop Electronic Contract Manufacturing in China

With over 10 years of experience, Polaris Circuit delivers high-quality PCB assembly, manufacturing, wiring harness, and full turnkey EMS solutions worldwide.

Our Core Services

Polaris offers comprehensive electronic manufacturing services tailored to meet the needs of diverse industries.

PCB Assembly

Full turnkey EMS service for both prototype and large-volume PCB assembly with high precision and reliability.

PCB Manufacturing

Custom PCBs including FR4, high TG, high frequency, blind/buried vias, impedance control, metal, and flex PCBs.

Cable Assembly

Power cords, car cables, USB, HDMI, VGA, RF, SYV/SYWV, DAI, and other custom wiring harness solutions.

Component Sourcing

Reliable component sourcing from trusted channels at competitive prices to support your BOM requirements.

About Polaris Circuit

Polaris is an innovative electronic contract manufacturing company based in China, founded in 2009. With over 10 years of experience, we specialize in delivering high-quality PCB manufacturing, PCB assembly, wiring harness, cable assembly, stencils, plastic & metal enclosures, and full turnkey electronics manufacturing solutions.

Our mission is to provide reliable, cost-effective, and scalable manufacturing services that help our clients succeed in competitive global markets.

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Polaris Circuit Factory

Industries We Serve

Medical Electronics

Medical Electronics

Industrial Control

Industrial Control

Aerospace

Aerospace

Communication Device

Communication

Computer and Peripherals

Computing

Vehicle Electronics

Vehicle Electronics

Our Key Products

PCB Assembly

PCB Assembly

Full turnkey service including PCB manufacturing, component sourcing, SMT & THT assembly, testing, and packaging.

  • • Prototype to mass production
  • • SMT & THT assembly
  • • AOI & ICT testing
  • • Conformal coating available
EMS Solutions

EMS (Electronic Manufacturing Service)

One-stop solution from design support to final product delivery, focused on customer profitability.

  • • DFM analysis
  • • Full BOM management
  • • Functional testing
  • • Logistics & fulfillment
PCB Manufacturing

PCB Manufacturing

Custom PCB fabrication with various materials and advanced technologies for diverse applications.

  • • FR4, High TG, Rogers
  • • 1-32 layers
  • • Impedance control
  • • Blind & buried vias
Rigid-Flex PCB

Rigid-Flex PCB

Hybrid boards combining rigid and flexible substrates for compact, high-reliability applications.

  • • Space-saving design
  • • High vibration resistance
  • • Reduced interconnects
  • • Ideal for aerospace & medical
Flex PCB

Flex PCB

Flexible circuits ideal for dynamic bending, tight spaces, and lightweight applications.

  • • Polyimide or PET base
  • • Dynamic or static flex
  • • Single or multilayer
  • • Gold or tin finish
Cable Assembly

Cable Assembly

Custom power, data, and signal cables with precise termination and shielding.

  • • Power cords & extension cables
  • • USB, HDMI, VGA
  • • RF & coaxial cables
  • • Automotive wiring harnesses
Stencils

SMT Stencils

Precision laser-cut stencils for consistent solder paste application in SMT processes.

  • • Stainless steel or nickel
  • • Nano-coating available
  • • Frameless or framed
  • • Step stencils for mixed tech
Enclosures

Plastic & Metal Enclosures

Custom enclosures for protection, EMI shielding, and aesthetic finish of electronic assemblies.

  • • Injection molding
  • • CNC machining
  • • Sheet metal fabrication
  • • Painting & silkscreen

Why Choose Polaris?

2000+

Global Customers

Serving clients across North America, Europe, and Asia with excellence.

700+

Skilled Workers

Over 35% are technical staff ensuring high precision and quality.

5+

SMT Lines

Advanced SMT production lines for high-speed, high-volume assembly.

Latest News

October 27, 2025

High-Speed Copper Cable Connection Technology

High-speed copper cable technology offers numerous advantages including cost-effectiveness, durability, and excellent signal integrity for data centers and telecom infrastructure.

Read More
October 21, 2025

Knowledge of Flexible Circuit Boards

Flexible PCBs are revolutionizing electronics with their ability to bend, fold, and fit into compact spaces, ideal for wearables, medical devices, and aerospace.

Read More

Contact Us

Ready to start your project? Reach out to our team for a fast and accurate quote.

Phone

+86 134 0021 8776

Email

sales@polariscircuit.com

Address

Floor 9, Aupu Building, No. 395 XinShi North Road, Shijiazhuang Hebei, China

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