NNK Group Limited is a Hong Kong-based investment holding company principally engaged in the provision of mobile top-up services. The Company provides mobile top-up services to mobile users through 007ka top-up platform. It also provides mobile top-up services through offline channels, including convenience stores, mobile phone stores and other third party retailer chains, as well as third party online platforms, the Company’s Websites and Wechat public account. Its services cover nation-wide networks operated by the three Chinese telecommunication operators. The Company mainly operates businesses in China.