国城矿业：董事辞职

Group 1 - The core point of the article is the resignation of Wan Yong from various positions within Guocheng Mining due to work adjustments [2] - Wan Yong has submitted a written resignation report to the board of directors, resigning from his roles as a director, member of the strategic committee, audit committee, and compensation and assessment committee [2] - After his resignation, Wan Yong will continue to hold a position at Guocheng Holdings Group Co., Ltd., but will no longer serve in any capacity at Guocheng Mining or its subsidiaries [2]