... metal materials according to drawings.2. Process: Stamping, punching, bending, welding, threading, grinding, milling, machining, lathe, assembling, etc.3. Key ... Die, Aluminum Solar Frame, Hardware Tools, etc. 4. Finish: Powder Coating, Polishing, Zinc plating, Electric coating, Chrome plating, Nickel plating ... delivery, excellent service, flexibility & responsiveness sheet metal bending and welding