卫星发射成功，商业航天强势拉升，航空航天ETF（159227）规模、成交额均居同类第一

Group 1 - The commercial aerospace sector showed strong performance on July 28, with the Aerospace ETF (159227) leading the market with a gain of 1.31% and a trading volume of 51.35 million yuan, reaching a total size of 6.91 billion yuan [1] - The successful launch of the low Earth orbit satellite internet constellation on July 27, 2025, using the Long March 6 rocket, highlights China's rapid development in satellite technology [1] - The Chinese government has been actively supporting the satellite internet industry, with a projected market size of 59.337 billion yuan by 2031 [1] Group 2 - The Aerospace ETF (159227) closely tracks the National Aerospace Index, focusing on cutting-edge technologies in the aerospace sector, covering key industry segments such as aerospace equipment, satellite navigation, and new materials [2] - The index has a significant weight of 25.14% allocated to the commercial aerospace concept, indicating its importance within the ETF [2]