PCB Board(assembly ,Circuit Board),high-power LED kinds of high thermal conductivity ceramic plates, ... plates,copper substrates, iron substrate,plug-and-aluminum plate,single-sided and double-sided PCB, FPC,FR-4,multi-layer circuit boards, as well ... -plating, nickel-plating, gold-plating, sinks the gold, anti- oxidized board as well as each kind of selective surface furnishing. Special ...