Donggang Hongyang Machinery Co., Ltd. is a solely-owned enterprise, integrating RD, Precision-Casting and machine work, where the floor area is 10, 000 m2 and there are 120 staffs including 5 technical s and also the annual output of precision-castings is 1, 200 tons. The company lays stress on the interial quality control and social credit, for which this company has been the first to pass the Quality System Certificate ISO 9001: 2000 in the same industry here. We are specialized in manufacture and exporting various steel, iron, non-ferrous castings (investment casting, water glass casting and sand casting etc.) forgings and machined parts with good quality and attractive price. Products range covers valves, pumps, pipefittings, fasteners, auto parts, gearboxes, idler wheels, driving wheels, hydraulic cylinders and mining machinery parts, farm machinery parts, meat machinery parts etc.