Exhibit 21.1

List of Subsidiaries

Subsidiary	Place of Incorporation
MC Hologram Inc.	Cayman Islands
Quantum Edge HK Limited	Hong Kong
Beijing Xihuiyun Technology Co., Ltd.	PRC
Shanghai Mengyun Holographic Technology Co., Ltd.	PRC
Shenzhen Mengyun Holographic Technology Co., Ltd.	PRC
Shenzhen Qianhai Youshi Technology Co., Ltd.	PRC
Shenzhen Yijia Network Technology Co., Ltd.	PRC
Kashgar Youshi Information Technology Co., Ltd.	PRC
Horgos Youshi Network Technology Co., Ltd.	PRC
Horgos Weiyi Software Technology Co., Ltd.	PRC
Shenzhen BroadVision Technology Co., Ltd	PRC
Broadvision Intelligence (Hong Kong), Ltd.	Hong Kong
Horgos BroadVision Technology Co., Ltd.	PRC
Shenzhen Tianyuemeng Technology Co., Ltd.	PRC
Horgos Tianyuemeng Technology Co., Ltd.	PRC
Shenzhen Yunao Hongxiang Technology Co., Ltd.	PRC
Mcloudvr Software Network Technology HK Co., Limited	Hong Kong
Ocean Cloud Technology Co., Limited	Hong Kong
Shenzhen Haiyun Xinsheng Technology Co., Ltd.	PRC
Shenzhen Yushian Technology Co., Ltd.	PRC
Horgos Yushian Technology Co., Ltd.	PRC
Shenzhen Youmi Technology Co., Ltd.	PRC
Horgos Youmi Technology Co., Ltd.	PRC