... , brass, copper, alloy steel, aluminum, cold rolled steel with various plating3Surface treatmentMany kinds of plating (Zinc, Nikel, Chrome, ... Silkscreen, Heat treatment4SpecificationOEM service as per customers' requirements, with in-house tooling design and fabricating(Smoothness, without burrs ... /T in advance and balance before shipment The Step 1.Sample/DrawingWe need your detail require clearly.↓2 ...