JCHX(SH:603979) Xin Lang Cai Jing·2025-10-28 06:02Core Viewpoint - Jinchengxin Mining Management Co., Ltd. experienced a 5.01% decline in stock price, closing at 65.66 CNY per share, with a total market capitalization of 40.957 billion CNY [1] Company Overview - Jinchengxin Mining was established on January 7, 2008, and listed on June 30, 2015. The company is based in Fengtai District, Beijing, and specializes in mining engineering construction, mining operation management, and mining design and technology research [1] - The revenue composition of the company includes: 46.11% from sales of cathode copper, copper concentrate, and phosphate rock; 39.63% from mining operation management; 11.85% from mining engineering construction; 1.29% from materials, equipment, and others; 1.00% from mining machinery; and 0.13% from mining design consulting [1] Fund Holdings - The Guotou Ruijin Fund has a significant holding in Jinchengxin, with the Guotou Ruijin Industry Prosperity Mixed Fund (121002) holding 159,900 shares, representing 1.79% of the fund's net value, making it the tenth largest holding [2] - The fund has reported a floating loss of approximately 553,300 CNY today [2] Fund Manager Performance - The fund manager Li Dafu has been in position for 14 years and 125 days, managing assets totaling 13.006 billion CNY, with the best fund return during his tenure being 23.77% and the worst being 0.19% [3] - Co-manager Ji Li has been in position for 8 years and 146 days, managing assets of 3.143 billion CNY, with the best return of 162% and the worst return of -2.92% during her tenure [3]