Are there any better mobile video conferencing system products?

The mobile conference video system of Shaanxi Yinhe Jing Tian Electronics Co., Ltd. has more than ten national patents, and now many provincial units of the State Grid are made by his family. Their system supports the use of mobile terminals such as large screen, PC, tablet computer and mobile phone. Is a subordinate unit of the Electric Power Research Institute, with strong research and development strength.