1.ISO9001-2000TS16949, G3000 2.Ductile iron,metallichalf-metallic 3.OEM/BPW 1.Material:a)Ductile iron, b) As per customers' requests2.Process:resin sand foundry producing line,one coated sand foundry producing line and one processing center line,e.g green sand and resin sand ect 3.Certificate:ISO9001-2000,TS16949, G30004.Mechanics performance: a)Main body degree of hardness:163-255HBS b)Testing ...