航天机电：公司主营业务不涉及商业航天

Group 1 - The company's stock experienced an abnormal trading fluctuation, with a cumulative price increase deviation exceeding 20% over two consecutive trading days on December 12 and December 15, 2025 [2] - The trading volume for the company's stock was 20.47% on December 12 and 9.83% on December 15, indicating significant market activity [2] - The company's stock price has risen sharply in the short term, suggesting potential market sentiment overheating and irrational speculation risks, significantly outpacing the industry and Shanghai Composite Index [2] Group 2 - The company primarily operates in the automotive thermal systems and photovoltaic industries, with no involvement in commercial aerospace [2]