weiyuanxianIntroduction：Brief introduction of Wuyuan: Wuyuan County belongs to Dingxi City, Gansu Province, Wuyuan County is in the central and western part of Gansu Province, and the county seat is 174 kilometers away from Lanzhou City, the provincial capital, 55 kilometers away from Longhai Railway Station. As of 2011, Wuyuan County has 8 towns and 8 townships, a total of 3 communities, 217 villages, 1536 villager groups, 351,700 people, mainly Han people, ethnic minorities have Hui, Tibetan, Manchu, Mongolian, accounting for 1% or less. In 2011, Wuyuan County achieved a gross domestic product (GDP) of 161.171 million yuan, an increase of 12.8% compared with 2010. It is known as the “hometown of Chinese potato varieties”.