Dongying Dongxu Precision Metal Casting Co., Ltd is a company including a tooling factory, a investment casting foundry and a machining factory that specializes in production of precision castings. It is located in Dongying Economic Development Zone of Dongying City, Shandong Province with convenient transportation and beautiful environment. The company owns advanced investment casting equipments and a Spectrometer imported from Germany. It uses lost wax process to make castings of sta- inless steel, carbon steel ,alloy steel ,brass and bronze. The main products of the company are pipe fittings and valves, marine hardware, automobile parts, curtain wall parts and all kinds of special machinery parts. The professional management team and quality assurance system makes Dongxu continuously supply the best castings and technical service to domestic and abroad customers.