1.selectivity immersion gold Plating Pcb 2.UL ,ROHGS,SGS,ISO 3. ... Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance± ... *20 inchesFile Formate lead time Bill of MaterialsGerber filesPick-N-Place fileTypes of ServiceTurn-key,partial turn-key or ... simple perseverance to stick to it. selectivity immersion gold Plating Pcb