Beijing Guotai Network Information Technology Co., Ltd. was established in June 2015. It is a national double high and double soft enterprise and a Beijing specialized, refined, special and new small giant enterprise. As the "security navigator of the Internet of Things", based on password, blockchain, industrial control security, data security and other technologies, the company provides overall network security solutions and related products for power, rail transit, petrochemical and other industries in the Internet of Things, industrial Internet and other fields. The company relies on the deep accumulation, inheritance, and innovation of its core team in the field of network security, with password technology application as the industry core. Based on the national level protection and graded protection system framework, it provides solutions, products, and services for the security protection of national important information systems and critical information infrastructure. Guotai Network Information has developed a full range of network security products suitable for power grid dispatching, operation and inspection, marketing, and communication systems, tailored to the needs and characteristics of users in the power industry market. Products such as "Network Security Monitoring Device", "Security Access Gateway", "Security Authentication Gateway", "Security Encryption Module Product", "Video Security Access System", and "Network Security Access" have been deployed in many provincial companies of State Grid and Southern Power Grid, providing comprehensive solutions for the secure network access of "Power Internet of Things" and IoT devices. The company has long been committed to the research of industrial control system network security products and solutions. It has developed industrial system data isolation and exchange systems (industrial control gateways), industrial control firewalls, industrial control security monitoring and auditing systems, industrial control host security guards, industrial control vulnerability scanning systems, unified security operation and maintenance platforms (bastion computers), industrial control security assessment systems, industrial control security management centers, etc., which can provide full stack security solutions for the overall network of industrial control systems. Guotai Network Information has a professional technical team and rich project experience, combining industry experience, product research and development experience with customer needs. For many years, it has served energy enterprises such as State Grid, Southern Power Grid, Power Generation Group, Sinopec, and PetroChina, local commercial banks, and large manufacturing enterprises, and has been widely recognized by customers. The company takes "Guotai Network Information, Xin'an Bangning" as its core concept and takes it as its responsibility to maintain national information security. Striving, sharing, win-win, and achieving "is the core culture of the company. With striving as the first priority, guided by user value, driven by technological innovation, and relying on high-quality services, we are committed to providing expert level services to safeguard national information security!