Brief description about the High Frequency pcb: 1.FR4,High Frequency pcb,1OZ,IENG 2.17 years experience in PCB,since 1994 Processing Capability Of Rigid PCBNO.ITEMTechnique Data1Product Range2 - 24 layers, HDI;Aluminium Based PCBs2Base MaterialFR-4 Glass Epoxy laminate,ALuminium Based (Others, by special order) 3Major LaminateKing Board (KB-6150/60), ShengYi(S1141, S1170), Rogers,Teflon4Board ...