Our company has three sets of roll CNC grinding machines: one is WS 450L*4500 imported from German HERKULES; the other two are MK8440*35 & MK8480*45 grinding machines made by Xianfeng Machine Company. The grinding machines are used to grind rollers of our production equipment, such as steel rollers and rubber rollers. The imported grinding machine is equipped with on-line measurement device, and mainly used to grind rollers on rolling mills.