广钢气体：关于参加广州工业投资控股集团有限公司上市公司2025年半年度集体投资者交流会的公告

Group 1 - The company, Guanggang Gas, announced its plan to participate in the collective investor exchange meeting organized by its controlling shareholder, Guangzhou Industrial Investment Holding Group Co., Ltd., scheduled for September 15, 2025 [2]