Huarong County, Yueyang City has been planting mustard since Wei and Jin Dynasties, which is the "hometown of mustard" near Dongting Lake. "Uni-President" and "Master Kong" are two internationally renowned instant noodle enterprises, and 60% of the instant noodle-flavored sauerkraut is produced in Huarong County. In 20 16, Huarong mustard tuber production area reached130,000 mu, with an annual output of more than 600,000 tons. The output value of mustard tuber industry in the county is 3.2 billion yuan, and there are 3 provincial leading enterprises. It is a national modern agriculture demonstration county and a national modern agriculture and reform and construction pilot county.