1,precision stamping parts with zinc plating 2,customized sureface treatment 3, ... 0.1mm to 8mm or as requiredProducts Availablebolts, screws, nuts, rivets, stem nuts, shafts(axles, spline ... Finishannealing, natural anodization, heat treatment, polishing, nickel plating, chrome plating, yellow passivation, gold passivation, galvanizing, satin, etc ... China. precision stamping parts with zinc plating