Address: Floor 3, Yinchuan International Trade Holiday Hotel, Jiefang West Street 14 1, xingqing district, Yinchuan, Ningxia Hui Autonomous Region.
2. Yinchuan Xinshang Indoor Pollution Control Center Address: West of the intersection of Dexin Road and An Deyu Street, Helan County, Yinchuan City (Linping used car market in Ningxia)
3. Meijia indoor and outdoor decoration address: Qianxiang, Shanhewan, xingqing district, Yinchuan