... competitive price, advanced equipment welded black steel pipe scrap in stock ManufacturerHebei Province Gold Mysterious Pipe Co.,LtdBrandJinaoTypeManufacture ... DIN st42, st45, st35, st37 and st52, GB 8162 ContactKenny ChengPhone 0312-3118950AddressPangkou Automobile and Agricultural Accessories ... cold drawn and finish rolling.Standards ASTM,DIN,GB,JIS.mainly used agricultural machine manufacture, auto ...