Water pollution governance, the company worked in municipal sewage treatment, electroplating waste water treatment, military industry wastewater treatment and so on more than 30 industry sewage treatment, sewage sludge of wastewater in gunpowder, explosives, alkali, high salt content in coal chemical industry wastewater, organic wastewater and high concentration of chemical waste water, fruit juice in waste water, waste water recycling, medical wastewater treatment technique in the leading position in the country.