... is developed by our factory as a new generation equipment of produce barrels, It is worked by four wheels, rolling forming ... seconds, not including the time of installation.6,The width of sealing edge: standard 4.5mm-6mm uniformity of width: upper and lower ≤0.5mmII ... double-end sealing equipment. 2,The machine adopt the technique of install work piece by man power, roller positioning, back cylinder ...