Detailed Product Description We not only supply standard one (such as DIN,GB,ANSI,BS,ISO, etc) but also supply special one according to customer's drawing or samples. Product material: Carbon Steel, Alloy Steel, Stainless Steel, Copper, Nylon, Plastic, etc.Product surface treatment: Zinc Clear, Zinc Yellow, Zinc Black, Tin-plating, Nickel-plating, Dacromet, Mechanical Galvanizing, Hot-dip ...