JCHX(SH:603979) Xin Lang Cai Jing·2025-09-01 04:20Group 1 - The stock of Jincheng Mining Management Co., Ltd. increased by 5.04% on September 1, reaching a price of 66.96 CNY per share, with a trading volume of 408 million CNY and a turnover rate of 1.00%, resulting in a total market capitalization of 41.768 billion CNY [1] - Jincheng Mining was established on January 7, 2008, and listed on June 30, 2015. The company's main business includes mining engineering construction, mining operation management, and mining design and technology research and development [1] - The revenue composition of Jincheng Mining is as follows: sales of cathode copper, copper concentrate, and phosphate rock account for 46.11%, mining operation management 39.63%, mining engineering construction 11.85%, materials, equipment, and others 1.29%, mining machinery and equipment 1.00%, and mining design consulting 0.13% [1] Group 2 - Yimin Fund has one fund heavily invested in Jincheng Mining, specifically the Yimin Core Growth Mixed Fund (560006), which held 16,000 shares in the second quarter, representing 3.03% of the fund's net value, making it the largest holding [2] - The Yimin Core Growth Mixed Fund was established on August 16, 2012, with a latest scale of 24.5055 million CNY. Year-to-date returns are 9.11%, ranking 5871 out of 8254 in its category; the one-year return is 21.93%, ranking 5555 out of 8037; and since inception, the return is 40.1% [2] Group 3 - The fund managers of Yimin Core Growth Mixed Fund are Wang Yong and Guan Xu. Wang Yong has a tenure of 2 years and 187 days, with total assets of 105 million CNY, achieving a best return of 79.71% and a worst return of -7.89% during his tenure [3] - Guan Xu has a tenure of 1 year and 340 days, managing total assets of 404 million CNY, with a best return of 13.43% and a worst return of 9.34% during his tenure [3]