... (hot rolled,cold rolled,strip steel), stainless steel, aluminum, brass ,etc 2. Porcessing: Stamping, punching, bending, welding, threading, grinding ,milling, machining, lathe ... Plated ,Hex Chromates Zinc, Rust-inhibiblacking, etc 5. Industry:these parts are used in Automotive, Electrical, Building, Furniture, Machine assembly, Computer ...