Dongying HengHui Machinery Co., Ltd., is a specialized manufacturer and exporter who is majoring in development, producing and deeply machining of precision castings. The main products of our company including marine hardware, fluid equipment parts, construction hardware, pneumatic tools parts, Transportation and Assembly parts etc. The material based on stainless steel, carbon steel, alloy steel, alloy aluminium, alloy copper, and we can supply 1000M/TS castings and deeply machining products each year.