... solution casting Certificate:ISO9001:20 Product Name: cast iron auto exhaust pipe castingsMaterials: grey iron, ductile iron, malleable iron,heat resistant iron ... Lead time: 30-50days Place of Origin: Ningbo, China Software for specification drawings: PDF, Auto CAD, Solid work, JPG, Proe- Standard ... , multiple use angle mearuring tool, CMM etc. cast iron auto exhaust pipe castings