The only factory can produce POF film blowing machine in Ruian 1.three squeezing machine. 2.rotary die head Use: Thermal shrinkage film for packing ( applying to box-packing products, such as packing and bulk of audio-video tape, toy, disc, magazine, drinking cup, glass, frozen food and etc., And packing of Irregular shaped products, such as bread, vegetable, fruit, advertising material, paper, ...