1.Immersion Gold PCB Printed 2.UL,SGS,RohsCertificated 3.One ... ,2,4 or 6,upto 18 layerOrder Quantity1 to 50,000Board ShapeRetangular,round,slots,cutouts,complex,irregularBoard TypeRigid, Flexible ... Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance± ... Test method for PCBAView of Our Workshop Immersion Gold PCB Printed