Wu Liqing advanced green tea is a famous brand product in Anhui Province, which has passed the certification of the Organic Food Development Center of the State Environmental Protection Administration. The main producing areas are Dashan Village and Shuangkeng Village in Xianyu Town, shitai county. In addition, Ruokeng Township in Qimen County and Hongfang Township in dongzhi county also have a certain output. It is a famous historical tea, which was called "tender core" in the late Ming and early Qing dynasties. More than 200 years ago, it was exported to Europe by the ancient merchant ship Gothenburg, which was more expensive than jewelry. At the end of last century, through the excavation and research of Anhui Tian Fang Tea Group, "green in fog" reappeared in the world. Its characteristics are: it is produced in the cloud at an altitude of nearly 1000 meters, and the single bud is fresh, tender, full and beautiful, pure natural, pollution-free and a bit wild. The trademark "Wuqiqing" was recognized as "a famous trademark in Anhui Province".

Anhui Tian Fang Tea Industry (Group) Co., Ltd. is a national leading enterprise in poverty alleviation, mainly engaged in the production, processing and sales of tea, tea substitutes, tea food and tourism products, and the development of tourist attractions led by tea culture. At present, the enterprise has an organic (ecological) raw material production base of 30,300 mu, of which 5,000 mu has passed the certification of Organic Food Development Center of State Environmental Protection Administration, ISO900 1:2000: 2000 international standard quality management system certification, health food good manufacturing practice certification and food quality and safety market access certification. Wu Liqing, a famous classical tea successfully developed by the company, and Tianfang organic selenium-enriched tea were both rated as "Anhui Famous Brand Products", among which "Wu Liqing" green tea also won the gold medal in the 7th China International Agricultural Products Fair in 2009. At the same time, Tian Fang Babao Chrysanthemum Tea and Tianfang Jiuhua Buddha Tea were awarded the title of "Anhui Famous Brand Agricultural Products". At present, four R&D achievements have passed the provincial scientific and technological achievements appraisal, and there are 2 1 patents, of which 1 is an invention patent, 2 products have been certified as health food and 3 products have been certified as organic food.