It is mainly aimed at the shrinkage of the bottle mouth label of bottle, filling, and barrel-shaped products. It is suitable for the label shrinkage of glass bottles, plastic bottles, paper cups and other containers in the food, medicine, cosmetics, pesticide and other industries; the shrinking temperature is intelligently controlled, and the conveying speed is steplessly adjusted by the electronic governor; the unique conveying device ensures stable conveying; 360-degree rotation and heating to ensure uniform shrinkage.