Shenzhen Hejin Circuit Co., Ltd. is a leading MCPCB manufacturer and exporter in China. Shenzhen Hejin Circuit Co., Ltd. is a high-tech enterprise, engaged in research and development, production and sale, specialized in high thermal conductivity aluminum pcb, copper pcb (thermoelectric separation), copper-aluminum pcb, iron pcb, COB mirror pcb, rigid-flex pcb and double & multilayer FR4 PCBs with SMT assembly. Hejin Circuit was established in Shenzhen of China on August 2008, covers about 5000 square meters, with more than 360 people, the monthly production capacity can be up to 15000 square meters. All the products have wholly passed through the test of European Union “SGS-ROHS” and “SGS-REACH”. Also company has got ISO9001:2000 Quality Management System Authentificatio..