Mobile video tech company Xuanyixia secured $25 million of Series B financing from Sina, Redpoint Ventures and Morningside Ventures, according to Lei Tao, vice president of the company (report in Chinese). The capital received this time will be invested in R&D, mobile video product development and team construction, according to Han Kun, the firm’s CEO and co-founder of video website Ku6.com. Xuanyixia launched in-depth cooperation with Sina to develop Miaopai, a short video app that is embedded in Sina Weibo 4.0 version. In addition, Miaopai ensured real-time syncing to Sina Weibo with delay of less than two seconds. Vitamio, a video broadcasting platform developed by the company, provides video technical supports to mobile apps and individual developers.