The machine uses electo-heating tube to control temperature, auto-control, under the action of fan, making hot air even shoot out passageway, through the plastic cap of the bottle, immediately contract, to reach the role of contracting sealing.

• 该机采用电热管加温，自动控制，在风机的作用下使热炽空气在过道中均匀喷出，通过的瓶子胶膜立即收缩，达到缩合封口的作用。