【公告臻选】商业航天+人形机器人+eVTOL+大飞机！公司产品已应用于商用飞机、飞行器、火箭等

Group 1 - The article emphasizes the importance of efficiently filtering key announcements to aid investment decisions, highlighting the service "Announcement Selection" that provides deep insights into complex terms and reveals investment opportunities [1] Group 2 - On December 28, the article noted that Zhejiang Rongtai's stock rose by 3.38% after being highlighted for its involvement in humanoid robots and partnerships with multiple robotics companies, with an intraday peak increase of over 7% [2] - The article also mentioned that Yuntian Lifai's stock increased by 4.78% after being selected for a 122 million yuan project related to AI inference chips and humanoid robots, with a peak intraday increase close to 9% [2] Group 3 - The article outlines various sectors including commercial aerospace, humanoid robots, eVTOL, and general aviation, indicating that the company's products are applied in civil and commercial aircraft, rockets, and other vehicles [3] - It also highlights the defense and military sector, where the company's intelligent quadruped robots are utilized in critical scenarios such as nuclear emergency response and radiation monitoring [3] - Additionally, the article discusses advancements in third-generation semiconductors and IGBT, noting that the company has successfully developed GaN chips, which are now entering the customer introduction phase [3]