Natural weak alkaline water. Nongfu Spring, namely Nongfu Spring Co., Ltd., formerly known as "Zhejiang Qiandao Lake Yangshengtang Drinking Water Co., Ltd.", was established on1September 26th, 996. Its headquarters is located in Hangzhou, Zhejiang Province, and it is the holding company of Yangshengtang. 19 liter is natural weak alkaline water, not mineral water or pure water, which is a completely different concept. 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.