- Raw materials and dairy products are pre-cooled at the place of origin
- Low temperature ice water, ethylene glycol unit (+1℃). Make low-temperature ice water and ethylene glycol water and send them to the processing workshop, and use high-efficiency plate heat exchangers to cool the high-temperature sterilized dairy products to quickly cool down
- Low temperature air conditioner in processing workshop
- Cold storage for refrigerating and fresh-keeping finished products
