... Silica solution casting Certificate:ISO9001:20 Product Name: cast iron auto exhaust pipe castingsMaterials: grey iron, ductile iron, malleable iron,heat resistant ... PDF, Auto CAD, Solid work, JPG, Proe- Standard: ASTM, AISI, BS, DIN, JIS, NF Main production equipments: Wax injection, CNC-machine, machine-center, Heat ... , multiple use angle mearuring tool, CMM etc. cast iron auto exhaust pipe castings