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YOUR #1 PARTNER FOR
PROTOTYPE & PRODUCTION PCBs

Multilayer & Double Sided, Half Hole & Through Hole, Via in Pad FR4, Rigid, Flex & Rigid-Flex, Heavy Copper, Blind Buried Via & HDI, High TG, High Frequency, Impedance Control, and more.

KSJ PCB Manufacturing Facility

We Manufacture Printed Circuit Boards

Shenzhen Keshijia Electronics Co., Ltd. is a PCB design & contract manufacturing company founded by an experienced electrical and manufacturing engineer. For over 14 years, we have produced printed circuit boards for more than 2,500 companies across Europe, North America, and Asia — including factories and distributors.

With the aim of ensuring quality and the principle of excellent service, we have earned the trust of customers worldwide. Our mission is to deliver fast, reliable, and high-quality PCBs that power innovation.

Learn More About Us
KSJ PCB Factory Interior
2009
Established
2500+
Customers
350+
Factory Equipments
8000㎡
Factory Area

Our Products

The pursuit of quality, the pursuit of excellence

Multilayer & Double Sided PCBs

Multilayer & Double Sided PCBs

High-density interconnects with superior signal integrity for complex electronic systems.

Half Hole & Through Hole PCB

Half Hole & Through Hole PCB

Ideal for edge connectors and surface mounting with enhanced mechanical strength.

Blind Buried Via & HDI PCB

Blind Buried Via & HDI PCB

Ultra-high density interconnects for compact, high-performance devices.

Via in Pad FR4 PCB

Via in Pad FR4 PCB

Optimized thermal dissipation and signal routing for BGA and high-speed designs.

High TG PCB

High TG PCB

Enhanced thermal resistance for applications in high-temperature environments.

High Frequency PCB

High Frequency PCB

Engineered for RF, microwave, and 5G applications with minimal signal loss.

Impedance Control PCB

Impedance Control PCB

Precision-controlled impedance for high-speed digital and communication systems.

Heavy Copper PCB

Heavy Copper PCB

Robust current-carrying capacity for power electronics and industrial systems.

Rigid-Flex PCB

Rigid-Flex PCB

Combines rigid and flexible substrates for compact, reliable 3D packaging.

LED Aluminum PCB

LED Aluminum PCB

Superior heat dissipation for high-power LED lighting and automotive applications.

Our Capabilities

We are improving PCB production every year through innovation and investment.

Advanced Manufacturing

State-of-the-art equipment and automated processes ensure precision and consistency across all production stages.

Tight Tolerances

We maintain strict dimensional and electrical tolerances to meet the most demanding design requirements.

Electrical Testing

100% electrical testing ensures every board functions as designed before shipment.

Environmental Sustainability

Eco-friendly processes and RoHS-compliant materials support green manufacturing.

Certifications

ISO 9001, IATF 16949, and other international standards ensure quality and reliability.

R&D Innovation

Our skilled team of engineers and designers continuously pushes the boundaries of PCB technology.

Applied Industries

We produce the board faster than others — you can rely on us.

Consumer Electronics
Automotive & EV
Industrial Automation
Medical Devices
Telecommunications
Aerospace & Defense
Renewable Energy
IoT & Smart Devices

Trusted by Industry Leaders

Yutong Group Co., Ltd. Guangzhou Xiaopeng Motors Beijing Xiaomi Technology Vivo Mobile Communication Shenzhen DBK Electronics China National Medical Device

Why Choose KSJ?

Millions of Keshijia products are working all over the world. We invest in new advanced production machines, improve processes, and enhance our production information systems to deliver an extremely wide portfolio of PCBs, materials, and technologies.

"Doing good quality is our goal. Fast, reliable, and high quality. Quality exists where human beings live. The quality of the products is the wings of expansion. The voyage is infinite, and the glory has a period of time."

Get in Touch

Ready to start your next PCB project? Contact us today for a fast quote and expert support.

Visit Official Website

All inquiries and quotes are handled through our official website.

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