Casting copper and aluminum production line Tie Yong Machinery Manufacturing Co., Ltd. has advanced medium temperature wax silica sol investment casting process, coated sand casting process, lost film sand casting process, forging process, specializing in the production of stainless steel, alloy steel, carbon steel, precision castings, a wide range of products Used in aviation, petrochemical, hardware machinery, automobile, food, sanitary ware, medical treatment, water