Menghai Dayi Tea Factory is located in Longtan Township, Menghai County, Xishuangbanna Dai Autonomous Prefecture, Yunnan Province. Is a large-scale tea factory mainly producing Pu 'er tea. Tea factory was established in 1958, formerly known as Mengyang County Agriculture and Forestry Bureau Tea Factory, and it is one of the earliest enterprises to develop Pu 'er tea in Yunnan Province. Over the years, Dayi Tea Factory has been devoted to studying the production, production and quality improvement of Pu 'er tea, and is known as one of the best in Pu 'er tea industry.

The brand of Dayi Tea Factory has a long history, and its products sell well in domestic and foreign markets, enjoying the reputation of "Pu 'er Tea King" and "Ancient Tea King". Tea factory has a group of excellent production technicians and tea quality management personnel. Through refined management and continuous innovation, the quality and taste of Pu 'er tea have been improved. Its products are rich in variety, including raw tea, cooked tea, Pu 'er tea cake, Pu 'er tea and other series.

Dayi Tea Factory adheres to the corporate mission of "inheriting China tea culture and improving the quality of life", and is committed to promoting Pu 'er tea culture and China tea culture to provide consumers with high-quality Pu 'er tea products and excellent services.