Company Overview - Changyuan Donggu is located in Xiangyang, Hubei Province, established on December 19, 2001, and listed on May 26, 2020. The company specializes in the research, production, and sales of diesel engine components [1] - The main business revenue composition includes: cylinder blocks 55.32%, cylinder heads 34.97%, connecting rods 5.61%, others (supplementary) 2.11%, and other products 1.98% [1] Stock Performance - On September 4, Changyuan Donggu's stock fell by 5.1%, trading at 29.41 CNY per share, with a transaction volume of 165 million CNY and a turnover rate of 1.69%. The total market capitalization is 9.533 billion CNY [1] Fund Holdings - According to data, one fund under GF Fund has a significant holding in Changyuan Donggu. GF Shengjin Mixed A (012526) held 2.1001 million shares in the second quarter, accounting for 4.13% of the fund's net value, ranking as the fifth-largest holding [2] - The estimated floating loss for the fund today is approximately 3.3182 million CNY [2] Fund Manager Performance - The fund manager of GF Shengjin Mixed A is Wang Mingxu, who has been in position for 6 years and 325 days, with a total asset scale of 10.196 billion CNY. The best fund return during his tenure is 117.14%, while the worst is -17.33% [3] - Co-manager Duan Tao has been in position for 5 years and 111 days, managing assets totaling 2.279 billion CNY, with the best return of 66.02% and the worst return of -45.66% during his tenure [3]