Group 1 - Wuhan Changjin Photon Technology Co., Ltd. has completed its initial public offering (IPO) guidance work with Guotai Junan as the advisory institution [2] - The guidance work included 11 sessions from November 2022 until the report was issued, focusing on cleaning up occasional fund borrowing between the company and its directors and executives [2] - The company has successfully cleared all related party fund borrowings by the end of 2022, and no such transactions have occurred since 2023, indicating effective rectification measures [2] Group 2 - Changjin Photon was established in July 2012 and specializes in the research, production, and sales of specialty optical fibers, along with providing technical services [3] - The company possesses comprehensive R&D capabilities in core components such as rare-earth-doped fibers and microstructured fibers, mastering all core process technologies from preform preparation to fiber drawing and performance characterization [3] - The actual controller, Li Jinyan, holds 41.82% of the voting rights, while other investors include Jieput, Lihua Kechuang, Wotu Fund, and Huawei's Hubble Investment [3][4]