... st52, GB 8162 ContactKenny ChengPhone 0312-3118950AddressPangkou Automobile and Agricultural Accessories Industrial Park, Gaoyang County, Baoding City, Hebei ... and finish rolling.Standards ASTM,DIN,GB,JIS.mainly used agricultural machine manufacture, auto parts manufacture and many other ... to create varies of moulds by ourselves. usageMainly used in:1.power transmission machinery 2.shock absorption bush ...