... the thickness packaging films, film has good insulation, for instance holding temperature, anti-humid, anti-breeze, ... , insulation oxygen oil resistive, and so used for light and heavy-duty packaging, for example fresh fruits, meat-feeding ... Speed15-150r/min15-150r/min15-150r/minMain Motor Power15Kw×2 18.5Kw×118.5Kw×2 ... of Machine4T5T6T C-3SJ Series Three-layer Con-extruding Film Blowing Machine