... cast steel and iron parts Pump&valves, shipbuilding, wind turbine,etc. OEM Service offered TAA could manufacture large and ... application Electric Power Industry:Wind power system: Large wind turbine parts such as: rotor hub, base frame, torque support ... & core, etc.Hydroelectric system: water turbine parts such as stainless blade, upper & bottom ring, guide vane, runner, valve plate, etc. Mechanical ...