Mango Sanitation Group is engage in the sanitary engineering design, consultation, operation and management, MSW collection, transportation and disposal and urban roads sweeping and cleaning etc. It has more than 10, 000 staff and workers, including 190 senior engineers, economists and 2,800 professional and technical personnel who have the title for management and design, and 1,500 vehicles for office and working. Its’ business of MSW collection, transportation and disposal has covered 9 province in China. The contract amount has been up to USD 350 million now.