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1. This equipment is of a new structure design，which makes the whole machine structure compact, reliable and working with high efficiency； 2. The floating blade assemblies are each independently fixed on the dovetail racks，enabled easy mounting and dismounting and much easier for width adjusting. The pressure cutting force of the slitting knife is adjustable，and the longitudinal cutting speed can be adjusted at will，for different materials to reach the most ideal results； 3. The wind-up and let-off tension can be adjusted according to the material properties，and for material roll let-off the off center deviation can be automatically corrected； 4. Quality control of the products meets the requirements of ISO9001 quality control system......