Aiming at the weak point & the treatment methods of domestic sewage in villages & towns, Benenv developed an economic low energy consumption unit, the intelligent BN-MBBR series of products, through technological innovation, scientific design & high end manufacturing. Many improvement & upgrades are applied to the new series, to achieve standardization, large production scale, maximum efficiency, lower power consumption & intelligent management.The units are stupendous, decorative & easily merged with the environment, gives people a visual enjoyment.