1.High Current PCB Manufacturer 2.UL,SGS,RohsCertificated 3.OEM PCB Manufacturer ... Hole Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance±10 ... method for PCBAOur PCB Assembly ShowsView of Our Workshop High Current PCB Manufacturer