1. Beijing Last Romantic Media Technology Co., Ltd.: Beijing Last Romantic Media Technology Co., Ltd. is mainly engaged in technology development, technology promotion, technology transfer, technology consultation, technology service and TV program broadcasting technology service. , and has been listed on the North Exchange.
2. Tonghui Jiashi (Beijing) Information Technology Co., Ltd.: It can provide commercial display solutions, complete relevant development and application for customers, and sell commercial displays. , and has been listed on the North Exchange.