Dongying Changhui Precision Metal Co., Ltd. is an integrative supplyer in mould design , investment casting , polising and precision machining. We are specialized in the products made of stainless ste...

San York(D.Y.) Precision Metals, Inc is one of the earlier investment casting companies in China. It is located in entry of Yellow River, Dongying City, Shandong Province which is a rising oil industr...

marine hardware,building hardware,pipe fitting,machine parts...