... of forged products,forging trunnion diameter from 50-1500mm, including round steel diameter 140-800mm, Our factory is specialized in ... below, gear ring, coupling, sleeve, ring forging, slewing ring , mold, flanges, shafts, bearings, bearing rings, rolling blade, bar, and a variety ... of forging trunnion diameter from 50-1500mm, including round steel diameter 140-800mm, and 12 meters in length ...