Cheng Ho Group, with products mainly covering Printed Circuit Boards, PCBA, Metal CNC processing, etc., a professional factory with over 30 years of printed circuit board production technology, a leading PCB manufacturer in China, with four major PCB production bases in Shenzhen, Dongguan, Zhuhai and Jiangxi, produces high-precision single-sided, double-sided, multilayer circuit boards, flexible boards and rigid-flex circuit boards. The technology involves HDI, buried blind vias, high frequency, impedance, including FR-4, CEM-1, CEM-3, and high thermal conductivity aluminum substrate and copper substrate.