three years.

article 21 of the regulations for the implementation of the food safety law of the people's Republic of China stipulates that the establishment of a food production enterprise shall be preceded by the approval of the name of the enterprise, and after obtaining the food production license in accordance with the provisions of the food safety law, it shall go through industrial and commercial registration. The validity period of food production license, food circulation license and catering service license is 3 years.

to establish a food production enterprise, the name of the enterprise shall be approved in advance, and the food production license shall be obtained in accordance with the relevant laws, and then the industrial and commercial registration shall be handled.