... ,high quality control system 2013 U steel bend tube for furniture frame Production Description Haiyan Hongtai Metal ... dip galvanized,blackening, electroplate…3) machining Process:Stamping , turning,tube bending, welding, milling, CNC lathe…4) usage of products ... 3. Main products are stampings, furniture hardware, machine part, Auto part,tube bending ,welding part4. Used in the machinery, construction, ...