Sun City Night Market. Whenever night falls, Sun City Night Market in Helan County, Yinchuan City, Ningxia is very lively. Under the colorful neon lights, all kinds of snacks and delicious food are full of fragrance. Helan County belongs to Yinchuan City, Ningxia Hui Autonomous Region. It is located between 105 53' ~ 106 36' east longitude and 38 26' ~ 38 48' north latitude. Located in the north of Yinchuan City, it is adjacent to xingqing district City in the south, facing Tao Le Town, Pingluo County, Shizuishan City in the east across the Yellow River, and bordering Alashan Zuo Qi, Inner Mongolia Autonomous Region in the west.