What tea does Tie Guanyin belong to

Tiě guān yīn tea, a traditional Chinese famous tea, belongs to the green tea category and is one of the top ten famous teas in China. It is native to Xiping Town, Anxi County, Quanzhou City, Fujian Province, and was found in 1723-1735. "Tie Guanyin" is both the name of tea, but also the name of the tea plant, Tie Guanyin tea is between green tea and black tea, belongs to the semi-fermented tea category, Tie Guanyin has a unique "Guanyin rhyme", fragrant and elegant rhyme, brewing has a natural orchid fragrance, pure taste, rich and long-lasting aroma, has the reputation of "seven brews with residual fragrance". In addition to the health care function of general tea, it also has the effects of anti-aging, anti-arteriosclerosis, prevention and treatment of diabetes, weight loss and bodybuilding, prevention and treatment of dental caries, clearing heat and reducing fire, and sobering up alcohol from enemy smoke. Tie Guanyin contains high amino acids, vitamins, minerals, tea polyphenols and alkaloids, and has a variety of nutritional and medicinal ingredients, which has the function of health care. In the eighth year of the Republic of China, Muzha District was introduced from Anxi, Fujian Province for trial seeds, divided into two types: "Red Heart Iron Guanyin" and "Green Heart Iron Guanyin", the main production area in the Wenshan period tree is transverse type, the branches are thick and hard, the leaves are loose, the buds are less thick, the yield is not high, but the quality of the bao-seed tea is high, and the production period is later than that of Qingxin Oolong. Its tree shape is slightly slight, the leaves are oval in shape, and the leaves are thick and fleshy. The blades are flattened and unfolded. On September 18, 2014, three kinds of iron guanyin, including "Zhiyuan" and "Zhifu", were detected to exceed the rare earth standard.