Changshan County has a long history of cultivation of Camellia oleifera. According to the genealogy of Shangyouge Village in Fangcun Town, Changshan oil tea production has been widely distributed in the late Song and Yuan Dynasties. In the 21st year of the Republic of China (1932), the county had produced more than 1,000 tons of tea oil.

The porcelain is delicate, crystal and jade, the color is soft and subtle, and the style is elegant and refined. Zhangzhou Yingbai porcelain can be described as “blue out of blue and better than blue”, with its own style and unique quality.

Changshan Huyou is a variety of local citrus varieties that are naturally crossed with grapefruit and other citrus. It has beautiful appearance, golden color, moderate fruit shape and pomelo. The fruit has unique flavor, crisp and tender meat, fresh and juicy juice, sweet and sour taste, sweet and bitter, high economic and medicinal value. It is a kind of green food that integrates nutrition, diet, beauty and health care. It is a fruit treasure that is “the best in the peak season and the fresh season in the off-season”. It is the king of the pomelo and the king of the fruit.