In recent years, adhering to the diversified development strategy, CERI has extended to the field of water utilities with its professional and technical advantages and service experience accumulated through the years, and has formed a product system with urban water supply, sewage treatment and sludge treatment, comprehensive river treatment, industrial water treatment and zero discharge as the core products. Its service content covers the whole process of a project, including consulting and design, general contracting, project management, package equipment supply, investment, and operation, etc.