1.Immersion Gold PCB Printed 2.UL,SGS,RohsCertificated 3.One-stop ... sided or single-sided in white,yellow,black,or negativeSilk Screen Min Line Width0.006'' or 0.15mmMax Board Dimensions20 ... Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance±10 ... us----Test method for PCBAView of Our Workshop Immersion Gold PCB Printed