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Jiang Xi Long Hai Circuit Technology Company Ltd – a trusted partner in high-precision circuit board production with 0 PPM defect achievement. Serving industries from aerospace to medical devices with reliable, RoHS-compliant PCBs.
Jiang Xi Long Hai Circuit Technology Company Ltd is part of the same group as Sup Tech Company Limited, a professional manufacturer of high-precision circuit boards. We specialize in double-sided panels, multi-layer boards, blind/buried via boards, high-frequency PCBs, aluminum substrates, steel substrates, and more.
Our factory is located in Tongqiao Town, Zhongkai High-tech Zone, Jiangxi Province, with our head office based in Hong Kong. With strong technical capabilities, our PCBs are widely used in computers, telecommunications, power supplies, medical equipment, instrumentation, and aerospace systems.
"In the fierce market competition, quality and reputation are the lives of enterprises. We have always emphasized quality first, reputation first, constantly improving product quality, enhancing company prestige, and offering competitive pricing to deliver truly satisfactory products and service to our customers."
— Jiang Xi Long Hai Circuit Technology Company Ltd
We manufacture a wide range of high-precision printed circuit boards tailored for industrial, medical, communication, and aerospace applications.
High-reliability multi-layer board with immersion gold finish for superior conductivity and corrosion resistance.
Environmentally friendly multi-layer PCB meeting strict RoHS standards for global compliance.
Designed for digital signal processing and control systems with optimized signal integrity.
Robust design for power conversion and regulation with high current-carrying capacity.
Engineered for RF and microwave applications with low dielectric loss materials.
Thermally efficient metal-core PCB ideal for LED lighting and high-power electronics.
Durable and mechanically strong PCB solution for harsh environments and industrial use.
Advanced HDI technology for compact, high-density interconnects in modern electronics.
Cost-effective solution for moderate complexity circuits with through-hole and SMT components.
Combines rigid and flexible substrates for 3D packaging and dynamic flexing applications.
High-Density Interconnect boards with microvias for advanced consumer and telecom devices.
Precision-controlled trace impedance for high-speed digital and RF signal integrity.
Equipped with state-of-the-art technology and rigorous testing protocols to ensure the highest quality standards.
Ready to start your next project? Contact us today for a quote or technical consultation.
Contact: Mr. Luke
Mobile: +86 13143830502
Email: luke@sup-tech.com.hk
Address: Jiangxi Xinfeng Luyuan Avenue side plant 4
Working Time: Monday to Friday
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