Yinsheng Digifavor Company Limited provides mobile and data top-up services to mobile subscribers in the People's Republic of China. It operates through Top Up Services and Digital Marketing Services segments, offering a 007ka Top-up Platform that processes mobile top-up requests. The company also provides mobile charges, live streaming services, technical development, and sells consultation packages and products related to diabetes. Formerly NNK Group Limited, it changed its name to Yinsheng Digifavor Company Limited in July 2023. Incorporated in 2015, it is headquartered in Shenzhen, the People's Republic of China.