The scope of operation of the shandong dragon source boda environmental equipment ltd. Includes research and development, assembly, sale: water treatment equipment, air pollution control equipment, environmental protection equipment and accessories; sale, installation: mechanical and electrical equipment, instrumentation instruments, water treatment agents (other than pharmaceuticals, hazardous and toxic-preventable chemicals), environmental engineering, water treatment works, waste gas management works, artificial wetland works, electrical equipment installation works, municipal engineering contractors and water operations services。