... ALIBABA 2.Strict quality control, 3.ISO001-2000 Heavy Duty Pipe Clamp Production Description Haiyan Hongtai Metal Products Co ... produced by your drawing, samples or description. Can be customized OEM1) material: Carbon steel , galvanized sheet, stainlesssteel 304 ... turning,tube bending, welding, milling, CNC lathe…4) usage of products: Furniture fitting, construction hardware , telecom ,auto,machine…5 ...