... to of petrochemicals,city sewage,water,gas and other anti-corrosion protection of steel ... corrosion material.The production line of plastic from the cut,pinch smelting,the refining, ... self-adhesion tape machine, self-adhesion tape, calender,extruder, pe tape extruder, pe tape calender,Protection tape machine,protection tape,protection belt, steel pipe tape, protection tape machinery, protection tape ...