... UL ISO9001certificater 5.soler mask:green electronic pcb/ptfe pcb/rca pcb18-140 copper thickness of inner ... price. DescriptionDetails SpecificationBase MaterialFR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg,High ... platingProduction typeHigh precision multi-layer board,Blind hole board, Buyerd hole board,High frequency board,Aluminium backed boardCertificateISO9001.UL etcWelcome ...