机械：蓝箭IPO获批，商业航天产业加速

Investment Rating - The industry investment rating is "Leading the Market - A" and the rating is maintained [7] Core Views - The approval of Blue Arrow's IPO indicates increased support from the capital market for the commercial aerospace industry, which is expected to accelerate industry implementation [1] - The commercial aerospace sector shows promising prospects, with China completing 19 satellite constellation tasks in 2025, while the US completed 129 tasks, highlighting the growing market space for rocket launches and satellite industries [2] - 3D printing technology is revolutionizing rocket propulsion, with companies like SpaceX and Blue Arrow utilizing this technology to reduce manufacturing costs and improve efficiency [2] - The solar wing technology, featuring high-efficiency solar cells, is set to empower space computing, with flexible solar wings becoming a core infrastructure for high-power satellites [3] Summary by Sections Commercial Aerospace - Blue Arrow's IPO application was accepted, aiming to raise 7.5 billion yuan, marking a significant step for the domestic commercial aerospace sector [1] - The successful launch of Blue Arrow's Zhuque-3 rocket, which is the first domestic attempt at first-stage recovery, signifies advancements in reusable rocket technology [1] Satellite Launches - In 2025, China completed 19 satellite constellation tasks, with a total of 136 satellites in orbit for the GW constellation and 108 for the Qianfan constellation [2] - The US completed 129 satellite launches, with the Starlink program accounting for 122 of these, indicating a competitive landscape in satellite deployment [2] 3D Printing in Rocket Manufacturing - SpaceX's use of 3D laser printing technology has significantly lowered rocket launch costs by enabling continuous manufacturing of engine combustion chambers [2] - Blue Arrow's Tianque series rocket engines also employ 3D printing, achieving a thrust adjustment range of 40% to 110% and shortening component manufacturing time [2] Solar Power in Space - Flexible solar wings equipped with high-efficiency solar cells are becoming essential for satellites, with materials like flexible thin-film gallium arsenide and perovskite showing great potential for future applications [3] Investment Recommendations - Recommended companies include Jiangshun Technology, Bolite, and Huashu Gaoke for 3D printing; Maiwei Co., Jiejia Weichuang, and Jingshan Light Machine for perovskite and crystalline silicon photovoltaic equipment; and Junda Co. and Dongfang Risen for photovoltaic cell components and power manufacturing [4]