1. According to Aiqi's inquiry, Yunnan Dianhong: Yunnan Dianhong Group Co., Ltd., which was restructured from Shunning Experimental Tea Factory in Fengqing County, Yunnan Province, is the largest black tea producer in the world at present, with the right of self-export.
2. Anxi, Fujian: Fujian Anxi Tea Development Co., Ltd., located in Anxi County, Fujian Province, owns two famous tea brands in China, Tieguanyin and Dahongpao.
3. Hangzhou Longjing: Hangzhou West Lake Longjing Tea Group Co., Ltd., located in Hangzhou, Zhejiang Province, is a representative enterprise of Longjing tea producing area, a national intangible cultural heritage.