Core Viewpoint - The commercial aerospace sector experienced significant gains on December 1, with multiple stocks reaching their daily limit up, indicating strong investor interest and market momentum [1]. Group 1: Stock Performance - Aerospace Microelectronics (航宇微) saw a rise of 20.01%, reaching a price of 18.23 [2]. - Tianrun Technology (天润科技) increased by 19.19%, with a current price of 28.82 [2]. - Qianzhao Optoelectronics (乾照光电) rose by 13.32%, hitting a new high at 21.61 [2]. - Other notable performers included Yaguang Technology (亚光科技) up 12.82% at 8.45, Aerospace Hongtu (航天宏图) up 12.31% at 30.75, and Leike Defense (雷科防务) up 10.05% at 8.43 [2]. Group 2: Industry Developments - The National Space Administration has recently established a Commercial Aerospace Department, indicating a strategic move to enhance and develop related business activities [1].