Menghai Tea Factory （勐海茶叶厂）: Menghai Tea Factory was formally established in 1940 by a group of over 90 tea professionals with origins from all over China. It is possibly the oldest specialized tea factory in Yunnan Province. Because of this, it has a solid reputation that is well respected by Pu-erh tea enthusiasts. IIt is usually a very highly fermented tea. You can purchase Pu-erh tea in loose leaf form but the traditional and most widely way to purchase Pu-erh tea is in brick or cake form, where they compress the tea leaves extremely tightly into the shape of a disc, brick, square, bird’s nest or some other tightly compressed shape.For 1,500 years, all Pu-erh tea produced was the green type. Recognizing that aged raw Pu-erh tea was so highly prized, the Menghai Tea Factory produced the first commercial “black” Pu-erh tea cake in 1975 by adding an additional step in the manufacturing process.Pu-erh(Puer, Po Lei or Bolay) is a variety of post-fermented tea produced in Yunnan province, China. Post-fermentation is a tea production style in which the tealeaves undergo a microbial fermentation process after they are dried and rolled.Pu-erh tea (普洱茶), also spelled as pu’er tea, is a variety of fermented tea produced in Yunnan province, China.Fermentation is a tea production style in which the tea leaves undergo microbial fermentation and oxidation after they are dried and rolled.Pu’er or pu-erh is a variety of fermented tea produced in the Yunnan province of China. Fermentation in the context of tea production involves microbial fermentation and oxidation of the tea leaves, after they have been dried and rolled. This process is a Chinese specialty and produces tea known as 黑茶 hēichá (literally, ‘black tea’) commonly translated as ‘dark tea’..com offers 297 puer tea brick products. About 68% of these are pu’er tea, 41% are slimming tea, and 16% are black tea. A wide variety of puer tea brick options are available to you, such as haccp, gap, and gmp.Pu-erh tea was produced from the southwest in china, Yunnan Province is especially known by people. Pu-erh tea not only has special old smells and color, but also its hairdressing and beauty your face, loosing the weight, nourishing the stomach and reduced-fat let more and more people fall in love with it.Introduction and history. Pu-erh tea is traditionally made with leaves from old wild tea trees of a variety known as “broad leaf tea” (Traditional: 大 葉 Simplified: 大 叶, dà yè) or Camellia sinensis var. assamica, which is found in southwest China as well as the bordering tropical regions in Burma, Vietnam, Laos, and the very eastern parts of India.Pu-Erh Tea Cake, “Iron Mold”, Import/Export Corporation, 1990s (Raw/Sheng) Its becoming apparent that the more I drink Daniel’s tea, the more I learn what exquisite tea is supposed to taste like. The 1990’s “Iron Mold” Pu-Erh is no exception.