Suitable for beer, beverage, fruit juice, bottled water, dairy products, condiments, etc. Independent research and development of film unwinding device and film constant tension conveying, film instantaneous cutting, automatic lap film wrapping mode, higher strength after shrinkage packaging. Servo motor control system, dial rod into bottle, film feeding, film cutting, film wrapping synchronous, stable and reliable. Touch type LCD color screen, friendly operation interface, quick parameter setting, easy man-machine communication and control. The contraction chamber adopts self-developed hot air circulation structure, stable mesh belt transmission, high wear resistance and long service life.