... 4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,Aluminum material, Taconic ,94V03Board thickness0.2mm-7mm4Max panel size630mm* ... tianweisheng electronic co.,ltd is a professional PCB printed circuit board manufacturers, production bases located in Bao'an, and ... , now has a manufacturing multilayer blind, buried hole circuit boards, flexible circuit board (FPC), high-precision impedance, HDI, other special ...