Profile: Sutor Technology Group Limited is a manufacturer of fine finished steel products used by steel fabricators. We specialize in manufacturing and developing diversified high-end finished steel products, including hot-dipped galvanized steel, pre-painted galvanized steel, acid-pickled steel, cold-rolled steel, and welded steel pipe products. Our products are used in a variety of industries including solar energy, medical instruments, IT, building & construction, and automobile industries. Pickling is treatment of metallic surfaces to remove impurities, stains, rust, or scale with a solution called pickling liquor, containing strong mineral acids, before subsequent processing, such as extrusion, rolling, painting, galvanizing, or plating with zinc and aluminum. Automotive hot rolled acid pickled products are mainly used for auto chassis systems, frame and beam, wheels including rims, carriage sheet of trucks, stamping parts, bumper guard, and brake cable.