Oolong tea was a semi-fermented tea that was first created in Fujian during the Ming and Qing Dynasties. In the early 19th century, the production of oolong tea was also extended from Fujian to East Guangdong and Taiwan. Fujian Oolong tea products have their own quality characteristics, subdivided into Yubei Narcissus, Yubei Oolong, Weinan Tieguanyin, Weinan Color, Wuyi Rock Tea and Anxi Tieguanyin.

Compared with other persimmon products in other places, Zhenghushui persimmon has the following characteristics: single fruit is large (the average single fruit weight of other local persimmons is only 140-200 grams, and the maximum single fruit weight is 400-500 grams; while the average single fruit weight of Zhenghu water persimmon is 200. Above gram, the largest single fruit weight can reach 600g), the fruit shape is beautiful, the color is bright, the meat is thick and non-nuclear, the juice is sweet and sweet, the crisp persimmon is crisp and sweet, and the soluble solid content is 16.9%~20.5% (the solubility of water persimmon in other places) The solid content is only about 14%), and the total sugar (in terms of glucose) is 13.6 g/100g to 14.5g/100g. The dried persimmon is soft and sturdy, shaped like a round moon, with fleshy flesh, soft flesh, elastic, sweet and fragrant, creamy white and high quality.