天仪研究院启动IPO，辅导机构为国泰海通

Group 1 - The core point of the article is that Tianyi Space Technology Co., Ltd. has initiated its IPO process, signing a counseling agreement with Guotai Junan Securities on January 27 [1] - Tianyi Space was established on May 18, 2015, focusing on commercial Synthetic Aperture Radar (SAR) remote sensing satellites and scientific research satellites [1] - Yang Feng is the controlling shareholder and actual controller of the company, holding 9.72% of the company's shares [1] Group 2 - The company has previously received investments from various entities, including Bohua Capital, Shunheng Fund, Longhua Capital, Mianyang Kefa Fund, Hefei Industrial Investment Fund, and Yunbo Capital [1]