11月3日，正帆科技跌3.41%，截至发稿，报31.73元/股，成交6.89亿元，换手率7.40%，总市值92.94亿 元。正帆科技股价已经连续4天下跌，区间累计跌幅20.24%。 资料显示，上海正帆科技股份有限公司位于上海市闵行区春永路55号2幢，成立日期2009年10月10日， 上市日期2020年8月20日，公司主营业务涉及气体化学品供应系统的设计、生产、安装及配套服务;高纯 特种气体的生产、销售;洁净厂房配套系统的设计、施工。主营业务收入构成为：电子工艺设备 63.06%，核心零组件12.82%，气体和先进材料9.92%，MRO业务8.24%，生物制药设备5.91%，其他业 务0.03%，其他(补充)0.02%。 从正帆科技十大流通股东角度 数据显示，东方基金旗下1只基金位居正帆科技十大流通股东。东方人工智能主题混合A（005844）三 季度增持6.57万股，持有股数921.38万股，占流通股的比例为3.15%。根据测算，今日浮亏损失约 1031.95万元。连续4天下跌期间浮亏损失7417.14万元。 东方人工智能主题混合A（005844）成立日期2018年6月7日，最新规模6.02亿。今年以来收益42 ...

Group 1 - The core point of the news is that Zhengfan Technology's stock price has dropped by 5.05%, currently trading at 46.28 CNY per share, with a total market capitalization of 13.557 billion CNY [1] - Zhengfan Technology, established on October 10, 2009, specializes in the design, production, installation, and supporting services of gas chemical supply systems, as well as the production and sales of high-purity specialty gases [1] - The company's main business revenue composition includes: electronic process equipment 63.06%, core components 12.82%, gases 9.92%, MRO business 8.24%, biopharmaceutical equipment 5.91%, and other businesses 0.05% [1] Group 2 - According to data, Guotou Ruijin Fund holds a significant position in Zhengfan Technology, with the Guotou Ruijin SSE Sci-Tech Innovation Board 200 Index Fund A (023518) holding 48,500 shares, accounting for 0.98% of the fund's net value [2] - The fund has experienced an estimated floating loss of approximately 119,300 CNY today [2] - The fund was established on March 18, 2025, with a current scale of 70.0747 million CNY and has achieved a return of 32.81% since inception [2] Group 3 - The fund manager Zhao Jian has a tenure of 12 years and 22 days, with a total asset scale of 3.848 billion CNY, achieving the best fund return of 172.91% during his tenure [3] - The other fund manager, Qian Han, has a tenure of 2 years and 62 days, managing assets of 936 million CNY, with the best fund return of 37.85% during his tenure [3]

Core Insights - Zhengfan Technology's stock increased by 5.21% on September 17, reaching a price of 37.34 CNY per share, with a trading volume of 400 million CNY and a turnover rate of 3.73%, resulting in a total market capitalization of 10.938 billion CNY [1] Company Overview - Shanghai Zhengfan Technology Co., Ltd. was established on October 10, 2009, and went public on August 20, 2020. The company specializes in the design, production, installation, and supporting services of gas chemical supply systems, production and sales of high-purity specialty gases, and design and construction of cleanroom supporting systems [1] - The revenue composition of Zhengfan Technology includes: electronic process equipment (63.06%), core components (12.82%), gases (9.92%), MRO business (8.24%), biopharmaceutical equipment (5.91%), and other businesses (0.05%) [1] Fund Holdings - Dongcai Fund has one fund heavily invested in Zhengfan Technology. The Dongcai Times Preferred Mixed Initiation A (017857) held 13,000 shares in the second quarter, unchanged from the previous period, accounting for 4.08% of the fund's net value, ranking as the eighth largest holding [2] - The Dongcai Times Preferred Mixed Initiation A (017857) was established on February 24, 2023, with a latest scale of 10.3717 million CNY. Year-to-date returns are 25%, ranking 3512 out of 8172 in its category; the one-year return is 57.26%, ranking 2523 out of 7980; and since inception, the return is 17.36% [2] Fund Manager Performance - The fund manager of Dongcai Times Preferred Mixed Initiation A (017857) is Feng Jiebo, who has been in the position for 309 days. The total asset size of the fund is 23.4 million CNY, with the best fund return during his tenure being 85.8% and the worst being 2.69% [3]