Dongying City Xinyu Precision Metal Co., Ltd is a comprehensive company in research, manufacture and sales.　It is one of the earliest specialized enterprises in manufacturing investment castings in China. We adopt the silica colloid techniques to manufacture variety-qualified castings in stainless, carbon steel, alloy steel and castings iron. And we have scientific and technical personals to design tools,polish casting .Besides we import processing equipment to deep-processing for the castings. Our main products are valve parts, pump body, impeller, pipe fitting, marine hardware, other construction fittings and so on.