... circuits board 2.6layers with immersion gold 3.1.6mm thickness board 4.UL ISO9001 certificater 5.Green printed circuits ... reference. DescriptionDetails SpecificationBase MaterialFR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg,High ... typeHigh precision multi-layer board,Blind hole board, Buyerd hole board,High frequency board,Aluminium backed boardCertificateISO9001.UL etcWelcome ...