It is a machine used to cool the products coming out of the chocolate coating machine. There are water, air cooling and rollbond systems. It can be manufactured in the desired cooling power, width and length. It is very easy to clean thanks to its covers that can be opened in both directions. The band can be adjusted precisely with the band guidance mechanisms located at the entrance and exit of the tunnel. The cooling unit can be controlled on both sides and independently of each other. The tunnel can be manufactured with base cooling upon request.