Group 1 - The stock of Zhejiang Yinlun Machinery Co., Ltd. (Yinlun) fell by 5.14% on September 4, closing at 34.15 CNY per share, with a trading volume of 712 million CNY and a turnover rate of 2.59%, resulting in a total market capitalization of 28.508 billion CNY [1] - Yinlun specializes in the research, production, and sales of heat exchangers for oil, water, gas, and refrigerants, as well as automotive air conditioning and related exhaust after-treatment systems [1] Group 2 - Manulife Fund has a significant holding in Yinlun, with its Manulife Efficient Selection Mixed Fund (LOF) (162207) increasing its stake by 57,400 shares in the second quarter, bringing its total holdings to 690,800 shares, which represents 4.33% of the fund's net value, making it the ninth largest holding [2] - The Manulife Efficient Selection Mixed Fund (LOF) (162207) was established on May 12, 2006, with a current size of 387 million CNY, achieving a year-to-date return of 8.68% and a one-year return of 26.55% [2]