L V-type sealing and cutting knife, so that the shrink film packaging one-time sealing and cutting molding, teflon plating non-adhesive layer sealing cloth, sealing and cutting no mucous membrane, and the sealing neat and no cracking, the product after sealing and cutting automatically sent to the shrinkage furnace, shrinkage packaging; BT shrink packaging machine adopts advanced spiral wind technology in Europe and the United States, the shrinkage efficiency is particularly good, the conveyor sprocket adopts the jacket silica gel, will not burn the packaging, thoroughly solve the bottom of the difficult to shrink the problem; This set of equipment is especially suitable for software, printing, biscuits, pharmaceuticals, ceramics, beverages and flooring industries such as bulk shrink packaging.