1)High quality OEM casting 2)Process:sand,shelly,,green casting, 3)Material:grey iron casting ,ductile iron ... 4)OEM service Our describe of OEM grey sand casting parts: 1) Casting Material: cast iron, ductile iron, grey ... steel2) Produce Process:sand casting ,shelly casting,die casting,green casting.3)We can do with We precise machine.4) Accept small ...