High grade. "Wuyi Rock Tea" was approved as a national geographical indication protected product in 2002, making it the first geographical indication protected product in Fujian Province. In 2006, the traditional production process of Wuyi Rock Tea (Dahongpao) became the first batch of national intangible cultural heritage. In 2010, "Wuyishan Dahongpao" was recognized as a well-known trademark in China, so it belongs to high-grade tea. Wuyi rock tea (English: bohea) is an oolong tea produced on the rocks of Wuyi Mountain in Fujian Province. Wuyi rock tea has a unique rock charm of "live, sweet, clear and fragrant". It has a strong appearance, green and moist color, and small leaves on the leaves. Baidian, a semi-fermented tea, is one of the top ten famous teas in China. The main varieties include Dahongpao, Iron Arhat, White Cockscomb, Water Scarab, Cinnamon and Narcissus.