On the plastic seal of the barrel mouth.
The most obvious sign is the production date on the plastic muzzle seal. This number is engraved with a laser coding machine or hot stamping machine, and it is obvious to the naked eye. and touch.
Since its establishment, Ice Age has advocated healthy drinking water for all, put forward the health concept of water quality, and carried out a series of activities to promote healthy drinking water to allow consumers to enjoy the health provided by natural mineral water with complete confidence, and more. To better meet the growing needs of consumers for a better life.