Hot fill bottles are widely used in juice drinks and tea drinks. Hot fill bottles are widely used in juice drinks and tea drinks. ‌ Hot fill process is a method of sterilizing the product at high temperature, ‌ at about 90 degrees into the bottle. ‌ This method uses the heat of the product to sterilize the bottle and lid, ‌ makes pet hot fill bottle keep high temperature for a long time, ‌ although it may cause certain damage to the taste and nutrition of the product, ‌ because PET bottle has good safety and economy, ‌ this process has been widely used in the mainstream beverage products such as fruit juice drinks and tea drinks. ‌ In addition, ‌ heating tank as a kind of cleaning equipment, ‌ its cleaning cleanliness is high, ‌ cleaning can be directly used in chemical fiber, ‌ blowing bottle PET bottle and other fields, ‌ is also used in old plastics and other industries as heating, ‌ cleaning treatment.