1. Project design Feasibility study and argumentation, sludge treatment process design, engineering drawing design, automatic programming and engineering budget making. 2. Project construction Construction, special equipment construction, road and environmental beautification. 3. Project operation BOT and EPC contracting mode, equipment commissioning and operation, standardized production training, equipment maintenance and maintenance. 4. Design, manufacture and integrated installation of sludge treatment equipment. Design and manufacture of sludge treatment equipment, integrated installation of sludge treatment equipment, electrical automation installation, after sales service system. 5, technical consultation Integrated solutions, thematic technical support and production management guidance services.