Guojin Black Tea was formerly known as "Hunan Anhua Meicheng Tea Factory", which was founded in 1979, and officially registered the "Guojin" brand in 2009. The tea factory is located in Meicheng, the birthplace of "China Meishan Culture", covering an area of 15,000 square meters, with 3,000 acres of pollution-free tea garden base, as well as 3 standardized production lines, with an annual production capacity of 3,000 tons. In addition, Guojin Tea Industry has also won many honorary titles such as "Yiyang Agricultural Industrialization Leading Enterprise", "Hunan Famous Trademark", "Hunan Famous Brand Product" and so on.
 
Guojin tea owners play the product for the brick tea, divided into hand-built and special, that is, hand-pressed and machine-pressed, generally speaking, the hand-built brick structure is loose, the special is more compact, the price is more advantageous in terms of machine-pressed tea. Rations tea series, 550g hand-built brick tea is priced at 68 yuan, and 700g special brick tea is only sold for 58 yuan. In addition, Guojin's Tianjian tea, lotus tea, aged tea and other special teas are also available, which can be purchased according to taste preferences, and the overall price is relatively affordable.