Beijing Chaoyang District No.3 Qi Che Liu Tong No.5 Auction No.5 Xuan Products Analysis No.6 Qi Che Wu Liu / Transportation No.7 Zheng Che Wu Liu / Transportation No.10 Automobile Trade No.11 Used Cars No.11 Second Hand Transportation Tools No.13 Automobile Services No.20 Auto Aftermarket No.24 B2B No.29 Distribution Channels 国家专利 高新技术企业 知识产权试点企业 中关村高新技术企业 省级高新技术企业 市级高新技术企业