chengxianIntroduction：Introduction to Cheng County: Cheng County belongs to Weinan City, Gansu Province, and the county name is due to Gucheng State. In the southern mountainous area of ​​southern Gansu Province, the northern part of Weinan City is east. The northeast is connected with Huixian County, the west and the west are adjacent, the south is facing the Kangxian County with the West Han River as the boundary, and the southeast is adjacent to the neighboring Yangxian County of Shaanxi. 1676.54 square kilometers, with a permanent residence of 244,343 (2010). It contains 12 towns and 5 townships; 15 residents committees and 245 village committees. Cheng County is known as the “Shangshang Jiangnan” and “Right Granary”. “In 2007, it was identified as one of the thirty-three “millennial ancient counties” by the China Branch of the United Nations Intangible Heritage Protection Organization. In 2011, it was named “Hometown of Chinese Walnuts” by the State Forestry Administration. Places of interest, Jifengshan National Forest Park, Du Shaoling Temple and other attractions.