Indian tea culture thriving in Assam, when a native from the province present, seeing some tea said, 'We have the plant growing wild in our jungles.'" It is then documented that the Assamese nobleman, Maniram Dutta Barua, (also known as Maniram Dewan) showed British surveyors existing fields used for tea cultivation and wild tea plants growing in the Assamese jungle. In the early 1820s, the British East India Company began large-scale production of tea in Assam, India, of a tea variety traditionally brewed by the Singpho tribe. In 1826, the British East India Company took over the region from the Ahom kings through
Pu'er tea the most highly valued, followed by fall tea, and finally summer tea. Only rarely is pu'er produced in winter months, and often this is what is called "early spring" tea, as harvest and production follows the weather pattern rather than strict monthly guidelines. Factories are generally responsible for the production of pu'er teas. While some individuals oversee small-scale production of high-quality tea, such as the Xizihao and Yanqinghao brands, the majority of tea on the market is compressed by factories or tea groups. Until recently factories were all state-owned and under the supervision of the "China National Native Produce &