... nylon film, BOPA and polyester film BOPET, thermal seal film, protective film, thermal shrinkage film and annealed soft film, single layer, thermal shrinkage film and ... wind cooling and water cooling, double axial film, double-bubble squeezing productive line, infrared heating, motor control system and etc ... ensure drawing in and rolling up of film is even and smooth.3. (Φ150-300)change of die head, ...