Group 1 - The commercial aerospace concept has recently gained market attention, leading to significant stock price increases for related companies [1] - Several listed companies have announced or responded regarding their business layouts in the commercial aerospace sector [1] - Companies like Aerospace Information, Aerospace Changfeng, and Aerospace Engineering do not engage in commercial aerospace activities [1] Group 2 - SiRuPu is closely monitoring emerging fields, including commercial aerospace, but its products are not yet directly applied in this sector [1] - Huazhu High-Tech's 3D printing equipment is widely used in the aerospace field, including commercial aerospace, providing comprehensive solutions [1] - Zhenxin Technology is actively developing products for commercial aerospace applications [1] Group 3 - Mengsheng Electronics has successfully applied its satellite navigation products in various commercial launch vehicles [1] - Boyun New Materials has developed carbon/carbon throat lining materials used in the "Kuaizhou series" commercial solid launch vehicles [2] - Suzhou High-tech's subsidiary provides vibration testing solutions for commercial aerospace enterprises, applicable in rocket and satellite development [2] Group 4 - Chuan Yi Co., Ltd. has developed several products that support the Hainan commercial aerospace launch site [2]