... the end of 1990s.AdvantageCompared with other disinfection form, UV sterilizer has the following advantages:1,High efficient sterilization: ... water treatment.FeaturesGuanyu series UV sterilizer equipment features1, Adopting high efficiency UV-C (LL or LH) lampGuanyu UV sterilizer adopts world leading low ... ,Agricultural water, greenhouse water, irrigation disinfection etc. UV sterilizer for beverage