Gelonghui, May 31丨Shengbang Security (688651.SH) said on an interactive platform that Beijing Tianyu Yunan Technology Co., Ltd. was established in 2018 and is mainly dedicated to product development and market development in the field of satellite communication security and commercial secrets. Tianyu Yunan has accumulated a number of core technologies in the field of satellite communication security and formed a complete set of satellite communication security solutions. Currently, Tianyu Yunan products are widely used in scenarios such as space-borne, airborne, shipborne, vehicle-mounted, and ground stations, and are gradually being used in many new scenarios such as drones, unmanned boats, and unmanned ships. This investment is an important strategic initiative of our company focusing on new quality productivity. It is in line with our company's overall strategic layout and business development needs in the field of satellite Internet security, and is conducive to further enhancing the company's technical strength and opening up new market space for the company.