Custom sheet metal forming: 1 Stamping,bending,welding parts; 1.Material:steel,aluminium; 2.Powder coating,painting; ... ideas. Custom sheet metal forming, stamping, bending, welding parts: 1.material:steel,SS,aluminium,copper.2.finish:powder ... ,Stamping, Assembling,etc. Surface treatment: Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cataphoresis,Chrome/Zinc/Nickel plating, Anodize, ...