Group 1 - The Shenzhou 21 manned spacecraft was successfully launched by the Long March 2F rocket, marking the sixth manned flight mission in the space station application and development phase, with three astronauts participating in a six-month stay in orbit and conducting 27 scientific and application projects [1] - The mission involved significant contributions from various aerospace companies in Henan, providing high-tech equipment and products to ensure mission success [1] Group 2 - China Aerospace Science and Industry Corporation (CASC) provided critical components for the thermal control system of the Shenzhou 21 spacecraft, including self-locking valves and temperature control valves, ensuring a comfortable living environment for astronauts [2] - The testing team emphasized a "zero defect" quality assurance approach, ensuring that every data point is traceable and every verification is thorough [2] Group 3 - Zhengzhou Aerospace Electronics Technology Co., Ltd. supplied over 40 types of connectors, switches, and cable networks for the Shenzhou 21 mission, covering the entire process from launch calibration to in-orbit operations [3] - The company developed vertical adjustment equipment to monitor rocket posture in real-time, ensuring optimal launch conditions, and provided external docking connectors that facilitate communication and power supply for astronauts during extravehicular activities [3] Group 4 - The docking process, known as "space needle threading," is one of the most complex and risky phases of manned space missions, with laser radar developed by China Electronics Technology Group Corporation (CETC) serving as the "space eye" to ensure precise docking between the Shenzhou 21 and the space station [4] - CETC's continuous wave high-precision measurement system plays a crucial role in monitoring rocket flight status and providing decision support to ground control [4] - The search and recovery technology team at CETC has established a multi-domain collaborative search and rescue positioning system, enhancing the overall reliability of manned space missions [4]