... screwing, welding, assembling, etc.3, Surface: galvanization, anodizing, painting, powder coating, chromate treatment4, Size: According to customers' requirements5, Weight: It ... Drilling machine, Cutting machine, Latching machine etc.8, Inspection: Coating thickness tester, Roughness tester, Go/Ungo Gauge, Sault spray ... steel, stainless steel, brass, copper etc;3) High precision metal processing.