中色股份：蒋雷辞去公司董事、总经理等职务

Group 1 - The core point of the article is the resignation of Jiang Lei, the general manager and board member of China Nonferrous Metal Construction Co., Ltd., effective October 9, 2025, due to work adjustments [1] - The revenue composition of China Nonferrous Metal Construction for the first half of 2025 is as follows: 58.5% from contracting projects, 38.03% from nonferrous metal mining and smelting, 2.62% from equipment manufacturing, and 0.84% from other industries [1] - As of the report date, the market capitalization of China Nonferrous Metal Construction is 14.3 billion yuan [1]