... ,GB,AISI,DIN,etcSurface TreatmentZinc,heat-treatment,powder,nickel,chrome,sliver,polishing,T4,T6,etcEquipmentsPressing ... etc. Finish nickel plating, zinc plating, according to customer's requirements.chrome plating, powder coating. Gavalnizing, polishing, ... -dipped galvanizing, electrical galvanizing, chemical galvanizing, tumbling, powder coating, painting, polishing and passivat Usage Our products ...