JCHX(SH:603979) Xin Lang Ji Jin·2026-02-05 03:08Group 1 - The core point of the news is that Jincheng Mining Management Co., Ltd. experienced a decline in stock price by 5.08%, trading at 71.50 yuan per share, with a total market capitalization of 44.601 billion yuan as of the report date [1] - Jincheng Mining's main business includes mining engineering construction, mining operation management, and mining design and technology research, with revenue composition as follows: 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 equipment; and 0.13% from mining design consulting [1] Group 2 - Guohai Franklin Fund has one fund heavily invested in Jincheng Mining, specifically the Guofu Growth Dynamic Mixed Fund (450007), which reduced its holdings by 5,000 shares in the fourth quarter, now holding 14,800 shares, accounting for 3.35% of the fund's net value [2] - The Guofu Growth Dynamic Mixed Fund (450007) has a total scale of 33.6508 million yuan, with a year-to-date return of 4.39% and a one-year return of 27.3% [2] - The fund manager Zhao Yuye has a tenure of 7 years and 153 days, with a best fund return of 40.26% during his management, while co-manager Gao Yanyun has a tenure of 3 years and 213 days, achieving a best fund return of 43.55% [3]