Group 1 - Nazhen Technology has submitted its prospectus to the Hong Kong Stock Exchange, with Citigroup and CITIC Securities as joint sponsors [1] - The company is a full-stack supplier of optical communication and connection solutions, providing critical optical communication products for AI computing networks [1] - According to Frost & Sullivan, Nazhen Technology ranks fifth globally among all professional optical module manufacturers by revenue in 2024, and third in China [1] Group 2 - Nazhen Technology's revenue for the years 2022 to 2024 is reported as 5.043 billion, 4.239 billion, and 5.087 billion yuan respectively, with net profits of 429 million, 216 million, and 89.49 million yuan [1] - In the first half of 2025, the company achieved a revenue of 4.216 billion yuan, representing a year-on-year growth of 124%, and a net profit of 510 million yuan, indicating a turnaround from losses [2]