Freezer necks of the bottle, takes place by immersion of the bottle neck in a solution formed by freezing water and propylene glycol to 55%, temperature 25 ° C - 28 ° C for about 6-8 minutes. The chiller placed under the storage tank maintains the solution at low temperature, a special rotating plate supports the bottles and keeps them immersed at the right level. Productions bottles h 700-950.