... side PCB, multi-layer PCB and the high density boards of above 5,000 square meter. Please see our ... Tour: Shenzhen tianweisheng electronic co.,ltd is a professional PCB printed circuit board manufacturers, production bases located in Bao'an, and ... efforts, now has a manufacturing multilayer blind, buried hole circuit boards, flexible circuit board (FPC), high-precision impedance, HDI, other special ...