Dong Van IV Industrial Park is the result of the renovation of investment attraction procedures, as well as facilitating the business environment of Ha Nam province. The treatment of waste water throughout the industrial zone, bringing a green and clean environment is placed on top. Waste water treatment plant in Dong Van IV Industrial Park has a total capacity of 8,600 m3 / day in Dong Van IV Industrial Park, Kim Bang District, Ha Nam Province, the factory is prioritized to start construction, construction and progress is pushed. quickly from the early days of this new year shows the determination of Ha Nam province, of Viglacera Corporation, of the contractor and designation of Ecoba ENT.