雪浪环境：第五届董事会第二十八次会议决议

Group 1 - The core point of the article is that Xuelang Environment announced the approval of adjustments to its board committee members during the 28th meeting of its fifth board of directors [2] Group 2 - The announcement was made on January 12, indicating a formal decision by the company's board [2] - The adjustments pertain specifically to the specialized committees within the board [2] - This move reflects the company's ongoing governance and organizational changes [2]