Group 1 - The A-share commercial aerospace sector experienced a significant surge, with stocks like Holowin hitting the daily limit up of 20% and others like Sichuan Jinding and Zaiseng Technology rising by 10% [1][2] - SpaceX is advancing its initial public offering (IPO) plan, aiming to raise over $30 billion, with a target valuation of approximately $1.5 trillion, and plans to go public by mid to late 2026 [2][3] - The establishment of a dedicated Commercial Aerospace Department by the National Space Administration in November provides specialized regulation and guidance for the development of the commercial aerospace industry, presenting new opportunities for the industry [3] Group 2 - Holowin, which saw a 20% increase, reported a rapid growth in satellite testing system orders, primarily from commercial satellite manufacturers and testing service providers, establishing deep and stable collaborations with various state-owned and private satellite manufacturers [4] - Holowin's CAE electromagnetic simulation software is leading in the domestic market, having secured large-scale procurement from major state-owned enterprises and initiating AI+CAE research and development [4]