The registered address of Shanghai Tongyu Environmental Protection Technology Co., Ltd. is No. 24, Building 36, No. 89 Dujiabang Road, Sijing Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Hu Fangren. The business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of sludge treatment equipment; Wastewater treatment and its recycling; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Sales of specialized instruments and meters for environmental monitoring; Sales of water quality pollutant monitoring and detection instruments and meters; Environmental consulting services; Water pollution control; Water pollution prevention and control services; Air pollution control. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)