Shenzhen GuoHua Network Security Technology Co., Ltd. engages in mobile Internet services, emergency security, and smart cities businesses. The company focuses on mobile application security, big data security, Internet of Things security, mobile security consulting, mobile security training, mobile security detection, mobile security reinforcement, mobile security awareness, mobile security management, and other product systems. It is also involved in the mobile game distribution and operation services business. The company was founded in 1981 and is based in Shenzhen, China.