Gear Hobbing Machine, Milling Machine, CNC Milling Machine manufacturer / supplier in China, offering W12 CNC 4 Roll Bending Machine with Dual Drive Upper Roll and Asymmetric Roll Arrangement for Pre Bending and Rolling of High Strength Steel Plates, W12 Compact Automatic Four Roller Plate Bending Machine with Synchronized Hydraulic Cylinders and Digital Angle Display for Precision Rolling of Medium Thicknes, W12 Low Maintenance CNC Plate Rolling Machine with Hardened Roller Surface and Automatic Leveling System for Conical Rolling of Stainless Steel Vessel Heads and so on.