forgings of Motor, Turbine, Blower, Water turbine?? metallurgy machinery forgings(including Roll ,Mandrel through pipe , spindle of rolling machine, sector board), large gear, large die steel( cold work die steel, hot work die steel, Plastic Mould Steel), Petroleum and Petrochemical forgings( such as petrochemical tube, hoisting-transmission system in offshore drilling platform, etc.), ceramics machinery forgings(press machine), marine forgings( like tail shaft,  crankshaft, crank, etc