... machine for different enclosure ,sea head,dish head,range from 500mm~4000 mm diameter As a first ... ten years. We are prossional in polishing tanks,vessel,seal head ,range from 500mm~4000 mm diameter ,inner and outside both ... structure, easy coperation, economical and parctical.FP Dish Polishing/Seal head polishing Machine Specification:ModelExternal rangeInner rangePlate’s loading weightPlate’s ...