Yangtze Optical Electronic (SH:688143) Xin Lang Cai Jing·2025-09-23 02:43Company Overview - Changying Tong is a national-level specialized and innovative "little giant" enterprise established on May 18, 2010, and listed on December 12, 2022, located in Wuhan, Hubei Province [1] - The company focuses on the research, production, sales, and service of optical fiber gyroscope core components, particularly optical fiber rings, and their application in military inertial navigation [1] Business Composition - The revenue composition of Changying Tong includes: - Optical fiber ring devices: 57.61% - Special optical fibers: 19.36% - Other (supplementary): 11.68% - New materials: 7.18% - Optical device equipment and others: 4.17% [1] Market Performance - On September 23, Changying Tong's stock price fell by 5.05%, closing at 45.66 CNY per share, with a trading volume of 116 million CNY and a turnover rate of 2.63%, resulting in a total market capitalization of 5.588 billion CNY [1] Fund Holdings - According to data, one fund under Baoying Fund holds a significant position in Changying Tong, specifically Baoying New锐 Mixed A (001543), which held 43,000 shares in the second quarter, accounting for 1.01% of the fund's net value, ranking as the seventh-largest holding [2] - The fund has experienced a floating loss of approximately 104,500 CNY as of the latest report [2] Fund Performance - Baoying New锐 Mixed A (001543) was established on November 4, 2015, with a current scale of 148 million CNY. Year-to-date, it has achieved a return of 31.83%, ranking 2786 out of 8172 in its category. Over the past year, it has returned 76.85%, ranking 1417 out of 7995, and since inception, it has returned 195.7% [2]