To continuously improve the rural water and living environment, the Environmental Protection Group has customized an integrated domestic sewage treatment station for Chongming, and water treated by this "container" will stably meet the first level A (GB18918-2002). It has served over 40,000 peasant households in the construction of a world-class eco-island in Chongming. Many government leaders have come to Chongming to visit the demonstration project for rural distributed domestic sewage treatment, including Li Qiang, Secretary of the CPC Shanghai Municipal Committee, Chen Zhu, Chen Zhu, Vice Chairman of the Standing Committee of the National People's Congress (NPC), Chairman of the Chinese Peasants and Workers Democratic Party (CPWDP), Ying Yong, Deputy Secretary of the CPC Shanghai Municipal Committee and Mayor of Shanghai, Peng Chenlei, Vice Mayor of Shanghai.