... annealing treatment. 3. Final machined. The company produce turbine generator main shaft forgings including 1.5 MW, 2MW, ... 3MW wind turbine generators, hydro turbine generator, gas turbine generator, thermal turbine generator. Our factory has 8000mt, ... , metallographic analysis, mechanical property test, charpy impact test, ultrasonic test, magnetic particle test, etc. All ingots are melted ...