Multi-function polishing machine can be used for both tank and seal head dish ... polishing machine in China ,BOAO has the patent for almost ten years. We are prossional in ... MachineApplication: Multifunction, which can be mainly used both for vessel and dish ,eal head, container’s inside ... belt for optional) power sourceThree phase four-wire 380V/50Hz Air supply0.4-0.6MPa Multi-function polishing machine ...