YY-US was founded in April 2005, China's first enrichment communications business operators, committed to build the coolest webcast company, to provide global users with team voice services, Is currently one of the leading Internet voice and video platform providers. With young passion and innovative technology, the gathering era creates a rich communication service covering the whole world. To change the way people communicate has always been the mission of the gathering era, using information technology to restore people's most primitive communication. Through YY voice, play games network YYLIVE, gameplay YY education, Huya TV and other platforms, the use of text, voice, video and other comprehensive means of communication, leading the development of enrichment communication. At present, the number of registered users reached 1.3 billion, the number of active users per month reached 140 million. "upright, extraordinary, simple, swift and violent," the gathering era has been moving forward in its own way, constantly innovating technology, creating and leading the development of communication enrichment ahead. Huanzhong era was founded in Guangzhou in 2005, aiming at the strategic deployment of Zhuhai Branch, Beijing Branch, Shanghai Branch, with the unique talent resources and policy support in Guangzhou, the rapid development of the industry's leading enterprises. At present, more than 3000 employees, nearly 60% of the employees for R & D staff, professional R & D center for the company's products to provide comprehensive protection. The headquarter is composed of YY voice, multi-play game network YY Live, gameplay YY education, Huya TV and other core business teams as well as group functional departments. In the era of jubilation, we have been taking technology as the core, taking the user demand as the guide, building the core system of professional technology, and innovating the technical level of the industry. At present, the total number of patent applications of the company exceeds 600, which has realized the enrichment of media voice technology. Group communication global service technology, multi-terminal online video interaction technology and online interactive education learning technology and other areas of innovation.