DHI(SZ:002487) Xin Lang Cai Jing·2025-10-22 02:33Group 1 - The core viewpoint of the news is the significant increase in the stock price of Dajin Heavy Industry, which rose by 5.17% to 49.22 CNY per share, with a trading volume of 842 million CNY and a turnover rate of 2.76%, leading to a total market capitalization of 31.39 billion CNY [1] - Dajin Heavy Industry Co., Ltd. is primarily engaged in the production and sales of wind power tower structures and thermal power boiler steel structures, with wind power equipment products accounting for 94.54% of its main business revenue [1] - The company was established on September 22, 2003, and was listed on October 15, 2010, with its headquarters located in Beijing and an additional office in Hong Kong [1] Group 2 - Longxin Fund has a significant holding in Dajin Heavy Industry, with its Longxin Quantitative Pioneer Mixed A Fund (519983) holding 266,700 shares, representing 1.49% of the fund's net value, making it the third-largest holding [2] - The Longxin Quantitative Pioneer Mixed A Fund has achieved a year-to-date return of 30.33%, ranking 2757 out of 8160 in its category, and a one-year return of 32.52%, ranking 2175 out of 8026 [2] - The fund manager, Zuo Jinbao, has been in position for 10 years and 227 days, with the fund's total asset size at 1.767 billion CNY and a best return of 144.17% during his tenure [3]