Group 1 - The China Industrial Cleaning Association held its third member representative conference in Zhengzhou, completing the leadership transition [1] - Huang Wenyuan was elected as the chairman, with Wang Hu, Chen Yiqiang, Yang Lin, Fan Min, and 11 others elected as vice chairmen, and Du Bin as the secretary general [1] - The conference reviewed the work report of the second council and emphasized the need for the new council to strengthen the association's internal development and lead industry growth [4] Group 2 - The newly elected chairman Huang Wenyuan stated that the third council will continue to serve the country, society, and industry, aiming to elevate the association's work to new heights [4] - The conference also held the first executive council meeting and the first council meeting, approving development goals and key work for the third council [4] - Two group standards were released, including safety specifications for high-pressure water jet cleaning operations for shell-and-tube heat exchangers [4]