UANGEL Corporation, founded in 1999 and based in Seongnam, South Korea, is a technology company with a global reach, specializing in mobile networking, the Internet of Things (IoT), diverse service platforms, and educational technology solutions. The company develops fundamental commercial software to power local mobile communication services, including both 4G LTE and IoT applications. Its comprehensive suite of mobile network offerings encompasses unified IP multimedia subsystems, advanced intelligent networks, integrated signaling controllers, policy and charging management, convergence billing, and messaging platforms. Additionally, they provide multimedia broadcast and multicast services designed for LTE and public safety-LTE environments. In the IoT domain, UANGEL delivers several specialized solutions: F.QMS for smart factory quality oversight, C.FMS for intelligent urban facility management, C.STS for smart city safety and tracking, and E.EVCS for smart energy electric vehicle charging. Furthermore, their IoT Service Gateway either provides mobile communication network functions to external service providers via open APIs or manages low-capacity data exchange with IoT terminals. UANGEL's service platform portfolio includes Customized Ring-Back Tone services, BizConnect, BizMessaging, Call Manager Office, smart banking systems, and remote identity verification platforms. Within educational technology, their products include ToMoKids, an interactive play-and-learn system for children. ToMoNOTE offers an integrated online and offline teaching support program specifically for early childhood educators in preschools, with a curriculum spanning physical exercise, health, communication, social relations, art expression, and nature exploration. Completing their edutech offerings, ToMoRING is a smart sharing service designed for homeschooling, featuring functions for school-parent memos, album sharing, and educational content. Demonstrating a significant international presence, UANGEL Corporation's mobile communication solutions are currently utilized by 20 operators across 16 countries.