株冶集团：董事长刘朗明辞任

Core Points - Liu Langming has submitted his resignation as Chairman, Director, and Committee Member of the company due to work adjustments [1] - Cao Xiaoyang has also resigned from his positions as Director and Committee Member for similar reasons [1] - The resignations will take effect upon delivery of the resignation reports to the company's board of directors, in accordance with relevant laws and regulations [1]