The quality guarantee period of Nongfu Spring is 2 years. Bottled water of the same brand has different shelf life because of different capacities. For example, the shelf life of 1.5 liters of bottled water is 18 months, and that of 4 liters of bottled water is 12 months. The larger the capacity, the shorter the shelf life. Consumers are advised not to choose bottled water that has expired or is close to the shelf life when purchasing drinking water. Nongfu Spring, namely Nongfu Spring Co., Ltd., formerly known as "Zhejiang Qiandao Lake Yangshengtang Drinking Water Co., Ltd.", was established on September 26th, 1996. Headquartered in Hangzhou, Zhejiang Province, it is the holding company of Yangshengtang. On may 8, 20 19, nongfu spring announced that it had officially entered the coffee industry. On September 20 19/day, the list of the top 500 manufacturing enterprises in China was released, and Nongfu Spring Co., Ltd. ranked 332nd. On June 7, 2020, 65438 was selected into the list of top enterprises in the national agricultural product processing industry in 20 19, with a comprehensive ranking of 18. On September 8, 2020, Nongfu Spring officially landed on the Hong Kong Stock Exchange, and the opening price increased by more than 85%.