Tongyu Heavy Industry Co., Ltd. engages in the research and development, manufacture, and sale of forgings and castings. It offers wind power generator main shafts, ductile iron casting pipe moulds, cold work rolls, support rolls, steam turbine and generator rotor shafts, crank shafts, marine shafts, pressure pipeline products, supercritical boiler pipes, pressure vessel forgings, machine tool bed products, wind power diesel engine body hubs, forging blanks, ESR and steel ingots, etc., as well as fabrication products and alloys. The company also designs and manufactures various general and non-standard equipment and parts, as well as engages in non-ferrous metal smelting and calendaring business. It serves metallurgy, mining, hydroelectric and thermal power, nuclear and wind power, shipbuilding, petroleum chemical, heavy machinery, marine engineering, aerospace, mould, and other industries. The company was founded in 2002 and is based in Yucheng, China.