汉威科技股价连续3天下跌累计跌幅9.97%，前海开源基金旗下1只基金持238.45万股，浮亏损失1156.48万元

Group 1 - The core viewpoint of the news is that Hanwei Technology has experienced a decline in stock price, with a cumulative drop of 9.97% over three consecutive days, currently trading at 43.80 yuan per share and a market capitalization of 143.42 billion yuan [1] - Hanwei Technology, established on September 11, 1998, and listed on October 30, 2009, specializes in the research, production, and sales of gas sensors, gas detection instruments, and monitoring systems, as well as treatment services for organic waste gas and wastewater [1] - The company's main business revenue composition includes: smart instruments 44.67%, intelligent comprehensive solutions 24.33%, sensors 15.30%, public utilities 13.46%, and others 2.24% [1] Group 2 - From the perspective of Hanwei Technology's top ten circulating shareholders, Qianhai Kaiyuan Fund's Qianhai Kaiyuan Jiaxin Mixed A (001765) has entered the top ten circulating shareholders, holding 2.3845 million shares, accounting for 0.84% of circulating shares [2] - During the three-day decline, the fund has incurred a floating loss of approximately 1.15648 million yuan [2] - Qianhai Kaiyuan Jiaxin Mixed A (001765) was established on December 26, 2016, with a latest scale of 300 million yuan, and has achieved a year-to-date return of 62.09% [2]