Yangtze Optical Electronic (SH:688143) Xin Lang Cai Jing·2025-10-24 03:21Group 1 - The core viewpoint of the news is the performance and market position of Changying Tong, a company specializing in optical fiber gyroscope technology, which has seen a stock price increase of 5.01% to 43.36 CNY per share, with a total market capitalization of 5.584 billion CNY [1] - Changying Tong was established on May 18, 2010, and went public on December 12, 2022. The company focuses on the research, production, and sales of optical fiber ring core devices and solutions, primarily targeting the military inertial navigation sector [1] - The revenue composition of Changying Tong includes: optical fiber ring devices (57.61%), special optical fibers (19.36%), other supplementary products (11.68%), new materials (7.18%), and optical device equipment and others (4.17%) [1] Group 2 - According to data from the top ten holdings of funds, one fund under Qianhai Kaiyuan has a significant position in Changying Tong, holding 294,500 shares, which accounts for 7.92% of the fund's net value, making it the second-largest holding [2] - The Qianhai Kaiyuan Hong Kong-Shenzhen Strong Domestic Industry Fund (004321) has achieved a year-to-date return of 12.01% and a one-year return of 19.85%, ranking 5443 out of 8154 and 3778 out of 8025 in its category, respectively [2] - The fund manager, Wei Chun, has been in position for nearly 7 years, with the fund's total assets amounting to 1.197 billion CNY and a best return of 144.91% during his tenure [3]