Group 1 - The core viewpoint of the news is that Beidou Institute has restarted its IPO process, submitting a report to the Hunan Securities Regulatory Bureau for guidance [1][3] - Beidou Institute was established in 2016 and is a high-tech enterprise focused on the generation, measurement, and processing of radio signals, with a strong emphasis on satellite navigation and commercial aerospace [1][2] - The company has developed three main business directions: navigation simulation and testing evaluation, spatiotemporal security and enhancement, and aerospace measurement and control, serving various industries including energy, transportation, and education [1][2] Group 2 - According to the 2023 prospectus, Beidou Institute operates in a technology-intensive industry with high customer entry barriers, leveraging over 20 years of research experience in satellite navigation and aerospace measurement and control [2] - The company has significant experience in major national and provincial projects, contributing to events such as the National Day 70th Anniversary Celebration and the Boao Forum for Asia, enhancing its brand influence and social benefits [2] - Major clients include several state-owned enterprises in the defense and aerospace sectors, such as China Electronics Technology Group Corporation and China Aerospace Science and Technology Corporation [2] Group 3 - Beidou Institute previously attempted to go public in May 2023, planning to raise 508 million yuan for product upgrades, industrialization projects, and working capital, but later withdrew its application in September 2024 [3] - The controlling shareholder of Beidou Institute is Hunan Guoke Defense Electronics Technology Co., Ltd., holding a 44.21% stake [4]

Group 1 - The Shenzhou 19 manned spacecraft successfully landed on April 30, with three astronauts returning to Earth, supported by China Electronics Technology Group Corporation (CETC) through comprehensive technological support and a safety network for the mission [1] - CETC utilized various measurement and control equipment, including portable, airborne, vehicle-mounted, and fixed stations, to create a dense communication network that ensured real-time tracking and command during the landing process [1][2] - The landing accuracy of the spacecraft was a critical test of aerospace measurement and control capabilities, with CETC conducting millions of simulations to refine the landing trajectory [1] Group 2 - During re-entry, the spacecraft experienced extreme temperatures exceeding a thousand degrees Celsius, leading to communication blackouts, which CETC addressed with self-developed radar systems for continuous tracking and measurement [2] - The radar technology developed by CETC overcame the challenges of tracking during the blackout period, ensuring the spacecraft remained within radar visibility throughout its descent [2] - The new system significantly improved communication success rates to over 95%, enhancing the stability and continuity of information for command personnel [3] Group 3 - CETC's search and rescue positioning equipment, distributed across over 10 emergency points and covering more than 7,000 kilometers, established a comprehensive search network capable of guiding rescue teams to the landing site [3] - A satellite communication system was developed to ensure real-time transmission of critical information and images during the landing and astronaut extraction processes [3] - Various communication devices, including fixed, airborne, vehicle-mounted, and portable stations, were created to support the search teams and facilitate command information transmission [3]