HFB300 Multi-function bridge processing machine 1.five function 2.cutting,polishing 3.processing,drilling 4.milling 1.Name: HFB300 Muti-function bridge stone processing machine2 ... operate and applicable to all kinds of complex,difficult and high quality stone products .3.product parameters: ModelHFB300HFB400HFB500HFB600voltage220v,380v,400v,415vdiameter of ...