JCHX(SH:603979) Xin Lang Cai Jing·2025-10-16 06:15Group 1 - The core point of the news is that Jinchengxin Mining Management Co., Ltd. experienced a 5.07% drop in stock price, closing at 64.56 CNY per share, with a total market capitalization of 40.271 billion CNY [1] - The company, established on January 7, 2008, and listed on June 30, 2015, specializes in mining engineering construction, mining operation management, and mining design and technology research [1] - The main revenue sources for the company include sales of cathode copper, copper concentrate, and phosphate rock (46.11%), mining operation management (39.63%), mining engineering construction (11.85%), and other services [1] Group 2 - Yimin Fund has a significant holding in Jinchengxin, with its Yimin Core Growth Mixed Fund (560006) holding 16,000 shares, representing 3.03% of the fund's net value, making it the largest holding [2] - The Yimin Core Growth Mixed Fund has a total scale of 24.5055 million CNY and has achieved a year-to-date return of 12.93% [2] - The fund manager, Wang Yong, has a tenure of 2 years and 232 days, with the best fund return during this period being 81.55% [3]