China manufacturer Hot Forged 42CrMo4 4140 1.7225 Scm440 Forged Shaft Step Hollow Shaft Gear Blnaks spurs gear
Product Description 42CrMo4 Forging ring Brief Description We are specialized in manufacturing different type of large mechanical products according to engineer drawings. The products include gears, pinions, sprockets, shafts, wheels, rollers, couplings, pulleys, housings ,frames, molds, nonstandard machinery parts, wear resistant…