... Voltage Testing 18Material for PCBHigh Tg MaterialHigh FrequenceROGERS ,TEFLON ,TACONIC ,ARLON) Halogen-free Material19Other test Impedance,,Testing ... technological requirementBlind & Buried Vias and High Thickness copperwe are a professinoal PCB/PCBA manufacturer with ISO9001;2000 approval, ... and the UL approval.we provide PCB layout,PCB design,PCB fabricaton,PCBA,PCB assembly,FPC,rigid board,flex ...