Yinchuan baochenxing automobile sales service co., ltd. Public comment network shows that Yinchuan Baochenxing Automobile Sales & Service Co., Ltd. is the largest authorized BMW dealer in Ningxia, and also the main luxury automobile brand dealer in Ningxia, providing automobile sales of all BMW products, as well as professional services of original parts, after-sales service and information feedback, with low price and warm service.