... craft capacity: No ItemsCraft Ability 1Surface FinishHASL,Immersion Gold,Flash Gold,Gold Plating,OSP,Immersion Tin etc.2Layers2-30 layers3Minimum Line ... ISO14001:2004and the UL approval.we provide PCB layout,PCB design,PCB fabricaton,PCBA,PCB assembly,FPC,rigid board,flex board, ... sided board,multi-layer board.Hasl board,immersion gold,immersion silver,plating gold. Gold plating HDI PCB