Tibetan tea belongs to black tea, and the oldest and most famous black tea belongs to Sichuan South Road. Jin Jian, Kangzhuan, Yaxi (with fine buds), Shuanghuan, Kangzang Maojian, Changshou, Kaiguang Buddha Tea (bergamot tea) from Ya 'an Tea Factory are the most famous teas. There are other treasures and gold warehouses in history (these two are endangered rescue crafts). These series of brands have made outstanding contributions to the development of Tibetan tea and the exchange of Chinese and Tibetan cultures in the long history of more than 460 years. At present, these brands have become the cultural heritage of Ya 'an Tea Factory Co., Ltd. according to their historical evolution, won the honor of historical and cultural famous tea and enjoyed independent intellectual property rights. In 2006, Ya 'an Tibetan tea was successfully protected by the national cultural heritage. Chinese Tibetan tea is the flag brand of Ya 'an Tea Factory. There are sub-brands such as Golden Tip, Elegance and Double Ring in the blood source, such as Yaxi. Because it evolved from traditional aristocratic tea, brand building and market acceptance are relatively rapid, such as wooden box Yaxi tea, classic small gold brick, harmonious Yaxi tea, etc., which have a good performance in the market. In addition, there are many brands of Classmate Garden extending from Chinese Tibetan tea, among which Tibet Tianyao, Guge, Nanxin, Tibetan Golden Pavilion, Southwest Zhaxide Road, Gedengba, Wujintang, Shan Zhi, Guangdong Xikang, China Classic Tibetan Tea, Tibetan Tea House, Tiande, Snowland Black Gold and Supreme are outstanding in the market.