Dongying wahsen precision Metal Products Co., Ltd is one of the leading manufacturers of precision castings and machining parts in China. She is located in Dongying where the Yellow River flows into sea, it is only 280kms to Qingdao.We can supply all kinds of precision castings and deeply machining products . They involve kinds of machinery accessories for valve, pump parts, pipe fittings, pipe clamps. fluid distributors . marinehardware, Odd parts for Tansportation equipments etc. As material, products could be classified into: stainless steel, alloy steel, copper alloy and aluminum alloy etc. There are full enough productive forces & advanced inspection instrument. 90% of our products are exported to Japan. U.S.A.Taiwan & Europe