Group 1 - Hanwei Technology's stock increased by 5.09% on September 15, reaching 55.38 CNY per share, with a trading volume of 1.603 billion CNY and a turnover rate of 10.42%, resulting in a total market capitalization of 18.134 billion CNY [1] - Hanwei Technology, established on September 11, 1998, and listed on October 30, 2009, specializes in the research, production, sales, and export 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 40.56%, integrated smart solutions 26.75%, sensors 15.95%, public utilities 15.28%, and others 1.47% [1] Group 2 - Yongying Advanced Manufacturing Smart Selection Mixed Fund A (018124) is among the top ten circulating shareholders of Hanwei Technology, having increased its holdings by 1.8675 million shares in the second quarter, totaling 6.2853 million shares, which accounts for 2.22% of the circulating shares [2] - The fund has achieved a floating profit of approximately 16.8446 million CNY as of the latest report [2] - Since its establishment on May 4, 2023, the fund has a current scale of 2.976 billion CNY, with a year-to-date return of 81.67%, ranking 161 out of 8246 in its category, and a one-year return of 211.34%, ranking 16 out of 8054 [2] Group 3 - The fund manager of Yongying Advanced Manufacturing Smart Selection Mixed Fund A is Zhang Lu, who has a cumulative tenure of 6 years and 47 days [3] - The total asset scale of the fund is 15.413 billion CNY, with the best fund return during the tenure being 129.77% and the worst being -60.31% [3]