Industries of processing potato starch, vermicelli, chips built in Xiji, NW China's Ningxia

Farmers harvest potatoes in the fields in Huoshizhai Township of Xiji County of Guyuan City, northwest China's Ningxia Hui Autonomous Region, Oct. 4, 2018. After years of development, industries of processing potato starch, vermicelli and chips have been built in Xiji. (Xinhua/Wang Peng)