USBF is designed for:

• Carbonate organic substances deoxidization (BOD)
• BOD deoxidization, nitrification and nitrtate, phosphorus deoxidization

BASTAF is an anaerobic reacting tank with thin baffles and an anaerobic filter compartment which swirls in upward direction. Its function is to treat living waste water and other types of waste water which have the same composition and properties with living waste water

Market now can adapt to the basic demand of green materials to ecological house. Consumers not only care about environment protection but also use those friendly materials because they have many useful effect to residents.