Ruyi Tea Factory, Anxi County, Fujian Province, was founded in 1978. It is located in Changkeng Sancun Village, Anxi, Fujian, the hometown of Tieguanyin in China. It is located on a mountain rock peak with an altitude of more than 1,000 meters. It is surrounded by clouds and mist all year round, with sufficient sunshine and an average annual temperature. At 18℃, the annual rainfall is about 1700-1900 mm, and the soil is mainly red and yellow soil. This natural geographical location and specific climatic conditions make the air, soil and water quality here without any pollution, making it the main planting place for tea plants.