Chillers are widely used in industrial production such as plastic molding, vacuum blow molding, electroplating tank cooling, coating and laminating equipment cooling, hydraulic molding equipment cooling, carbon fiber product molding cooling, hardware, chemical industry, electronics, food preservation, laser engraving, vacuum coating, optical lens cleaning, etc. It can control the heat generated in the production of mechanical equipment and the temperature required for equipment production, thereby greatly improving work efficiency and product quality.