唐山三友化工股份有限公司关于公司高级管理人员离任的公告

Group 1 - The company announced the resignation of its Chief Engineer, Mr. Ma Dechun, due to reaching the legal retirement age [1] - Mr. Ma's resignation will take effect upon delivery of his resignation report to the company's board of directors, and it will not affect the company's normal operations and management [1] - The board expressed gratitude for Mr. Ma's significant contributions to the company's development during his tenure [1]