... years experience. OEM fr4 pcb Welocme to tianweisheng, We are professional OEM FR4 pcb manufacturer in china specialize in pcb, pcb assembly and FPC, ... FR-2,FR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,Aluminum material, Taconic 3Board thickness0.2mm-7mm4Max ... efforts, now has a manufacturing multilayer blind, buried hole circuit boards, flexible circuit board (FPC), high-precision impedance, HDI, other ...