天津冲出一家航天IPO，年入超31亿，为神舟飞船、北斗卫星提供电源产品

Group 1 - The article discusses a new IPO from a company in Tianjin that generates over 3.1 billion in annual revenue, providing power products for Shenzhou spacecraft and Beidou satellites [1] - The company is positioned within the aerospace industry, highlighting its role in supporting China's space exploration initiatives [1] - The IPO is expected to attract significant investor interest due to the company's strong financial performance and strategic importance in the aerospace sector [1]