... Directive-compliant, lead-free o One stop service for PCB design, PCB layout, PCB manufacture, components purchasing, PCB assembly, test, packing ... Hole Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance±10 ... PCBAOur PCB Assembly ShowsView of Our Workshop led circuit board design