1. Specialized in auto parts OEM/ODM 2.Material:Cast steel,ductile iron,grey iron, ... .Method:Sand casti Pump,Pump casting, Casting,Pump parts 1. Specialized in auto parts OEM/ODM2.Material:Cast steel,ductile iron,grey ... of steel castings, ductile iron and grey iron castings, with machining such as electromotor parts, valves parts, pump parts, vehicle parts, marine parts and other machinery ...