... engaged in production of large size steel forgings, including shafts, spindles, rolls, rings, cylinders, flanges which are widely ... reference, please check the information as following: 1. materials: carbon steel, 10#-60#2. diameter: 300mm-3000mm3. length: max ... 2004, OHSMS18000:20077. equipments: 5000T forging press, CNC ring roll - D534-6300, 50T forging manipulator, CNC planer-type boring-milling ...