Saian chemicals is one of Chinese chemical manufacturer devoted to kinds of fine & special chemicals with R & D, Production and International trade from 1992. So far, our foreign customer are mainly fromAmerica, Europe, South-east Asia and middle east, and we get good reputation from customers there.Water treatment chemicals is one of our main parts, especially, Biocide-algaecide, such as Polyquats. is our most advantageous series. You could select as your specific applications for swimming pools, SPA, hot tubs, aquariums, fountains, oil field and other industrial cooling water systems. Alternatively, you could use our polyquats. solely or combine with other chemicals as your formulations.