Duyun Maojian Tea, also known as Duyun Maojian Tea, White Maojian Tea, Hook Tea and Copper-deficient Tea, is produced in duyun city, southern Guizhou. Duyun Maojian tea has a long history, which has been more than 500 years. According to historical records, as early as the Ming Dynasty, "Hook Tea" and "Que Tongue Tea" produced in Duyun were listed as "tributes" and presented to the court. Duyun Maojian tea is a tribute tea of the royal family since Chongzhen in Ming Dynasty. Known as "the benevolent Maotai in the north and Duyun Maojian tea in the south". It is listed as one of the famous tea treasures in China with its beautiful appearance and unique style. Best-selling all over the world, buy from far and near, and cherish the production of less ears. 1982 was rated as a national famous tea. Wan Li tea is fragrant and attracts Chinese and foreign tourists. Its tea teeth are as thin as strips, the color is green and yellow, and there are many white hairs. This tea is sweet and fragrant. The content of tea polyphenols is about 10% higher than that of ordinary tea, and the content of amino acids is also higher. 19 15 won the first prize in Panama International Competition. 1983 was rated as one of the top ten famous teas in China.

The appearance of Duyun Maojian tea can be compared with Biluochun, and the inner quality can be compared with Xinyang Maojian tea. Fresh leaves are required to be light green, even, small and short, with buds and leaves in the shape of sparrow buds. The rope shape is tight and thin, the hair is exposed, and the color is green and moist; The aroma of the endosperm is fresh and tender, the taste is fresh and sweet, the soup color is clear, and the leaves are light green and even. Duyun is known as the "small south of the Yangtze River", and the picking tenderness and processing are not worse than Biluochun, but the tea varieties are different from the places where the tea trees are planted.

Duyun Maojian Tea is a famous historical tea in China, which belongs to green tea and has a long production history. As early as the Ming Dynasty, it was called tribute tea. Duyun Maojian tea has a relatively fine traditional processing technology, which has been passed down to this day. Processed tea has two fundamental characteristics, namely "hair" and "sharp". The processing method is unique, the technology is exquisite, and the requirements of raw materials are extremely particular. Every year, tea buds are picked before Tomb-Sweeping Day, and tea leaves with one bud and one leaf, commonly known as "Guami Tea" or "Yaquekou", are fried by hand. Maojian tea is green and moist, full of fluff, compact, delicate and curly, and has a special fragrance. It is refreshing after drinking and has a long aftertaste.