Pump parts casting-Oil pump-Chemical pump casting-According to different casting structures, the linear tolerance range is 0.125mm--25mm (0.005-0.1), castings surface roughness is 3.2-6.3microng and the processing range is 5g to 120Kg, the maximum dimension can be processed is 1000*400*400mm. We can process various kinds of precision casting parts used in valves, pipes, water pumps, metal fittings, flanges, auto parts and furniture.