Exhibit 8.1
List of Principal Subsidiaries of the Registrant
| Name | Jurisdiction of Incorporation | |
| Dada Auto | Cayman Islands | |
| Cosmo Light HK Limited | Hong Kong | |
| Fleetin HK Limited | Hong Kong | |
| Hill Matrix HK Limited | Hong Kong | |
| Zhejiang Anji Intelligent Electronics Holding Co., Ltd. | PRC | |
| Qingdao Intelligent Electronics Holding Co., Ltd. | PRC | |
| Zhejiang Huzhou Hill Matrix Limited | PRC | |
| Cosmo Light (Anji) New Energy Technology Development Co., Ltd. | PRC | |
| Kuaidian Power (Beijing) New Energy Technology Co., Ltd. | PRC | |
| Qingdao Intelligent Electronics Mobility Holding Co., Ltd | PRC | |
| Newlink Intelligent Maintenance Technology Service Co., Ltd. | PRC | |
| Qingdao Hill Matrix New Energy Technology Co., Ltd. | PRC |