Tongyu has become the largest manufacturing base of wind power main shafts and ductile cast iron pipe moulds of Asia. As one of the leading manufacturer of heavy castings & forgings, the company is capable of providing key castings & forgings for industries of metallurgy, mining, power, shipbuilding, petrochemical, ocean engineering, aerospace, etc. Such as large rollers, pressure piping, rotors of large steam turbines and generators, marine shafting, large crank shafts, pressure vessel, internal-combustion engine castings, etc.
