... : No ItemsCraft Ability 1Surface FinishHASL,Immersion Gold,Flash Gold,Gold Plating,OSP,Immersion Tin etc.2Layers2-30 layers3Minimum Line width3mil4Minimum Line ... -sided board,multi-layer board.Hasl board,immersion gold,immersion silver,plating gold.we sincerely hope hear your enquiry and further suggestion ...