1, according to the public comment network, Wuling black tea: Changde has developed water system, dense rivers and lakes, abundant rainfall, warm and humid climate, slightly acidic soil and fertile soil. Due to the short sunshine and large temperature difference between day and night, Wuling black tea has the unique qualities of rich tea content, high aroma and mellow taste.

2. Gu Lou Black Tea: Hunan Gu Lou Xuefeng Yunwu Tea Co., Ltd. was rated as a national ecological farm by the Ministry of Agriculture and Rural Affairs, and became a punching point for local network celebrities. Lu Wengulou Black Tea won the quality gold medal of China Tea Circulation Association.