Yangtze Optical Electronic (SH:688143) Xin Lang Cai Jing·2025-10-21 02:06Core Viewpoint - Changying Technology's stock rose by 5.1% to 42.43 CNY per share, with a total market capitalization of 5.464 billion CNY, indicating positive market sentiment towards the company [1] Company Overview - Wuhan Changying Technology Co., Ltd. was established on May 18, 2010, and went public on December 12, 2022. The company specializes in the research, production, sales, and service of optical fiber gyroscope core components, particularly optical fiber rings, and is recognized as a national-level specialized and innovative "little giant" enterprise [1] - The company's main business revenue composition 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] Fund Holdings - Changsheng Fund has a significant holding in Changying Technology, with its Changsheng Aerospace Marine Mixed A Fund (000535) increasing its stake by 22,300 shares in the second quarter, holding a total of 178,800 shares, which represents 3.91% of the fund's net value [2] - The fund has achieved a year-to-date return of 18.37%, ranking 4281 out of 8162 in its category, and a one-year return of 16.92%, ranking 4321 out of 8024 [2] Fund Manager Information - The fund manager of Changsheng Aerospace Marine Mixed A Fund is Wang Bingfang, who has been in the position for 3 years and 93 days. The fund's total asset size is 370 million CNY, with the best and worst returns during his tenure being -8.91% and -47.99%, respectively [3]