韩建河山：第四届董事会第四十二次会议决议公告

Group 1 - The core point of the article is that Han Jian He Shan announced the approval of multiple proposals during the 42nd meeting of its fourth board of directors [2] Group 2 - The announcement was made on the evening of August 28 [2] - The proposals included the company's summary and other related matters [2]