According to Sina. Com, shangwan tea. It is a specialty of Shangguan Town, Dongyuan County, Heyuan City, Guangdong Province. Shangguan tea includes Huxian tea and Lingnan tea. Huxian tea is a treasure of Shangguan tea in Shangguan town and Lingnan tea. Huxian tea cannot represent Shangwan tea.
Huxian tea is produced in Huxian Mountain Range, Shangguan Town, Dongyuan County, Heyuan City, Guangdong Province. At the top of Huxian Lake at an altitude of 1000 meters, farmers living there have planted tea for generations.