Shandong Yanzi Precision Casting Co., Ltd., the stainless stell precision casting manufacture and supplier from Shandong China. Our company was established in 1994, and now we are developing one of the biggest precision and sand casting company in Shandong China. Our main products are valves, auto parts, hard wares and etc. For more information about our company and products, please visit our website www.yanzi-casting.com.