... delivery steel casting train parts,auto parts1.casting parts material: cast iron,grey iron steel,stainless steel etc2.Casting parts process: sand casting ... .Qualified inspector:provide best quality products to clients 1materialgrey cast iron, ductile cast iron, steel, stainless steel,2sandgreen sand3mahinelathe, CNC, drilling machine ... contact me on export(at)adzz(dot)cnFrank speed reducer shell