Flocculant series: Polyaluminum chloride(PAC), Polyacrylamide(PAM), ferrous sulfate, polymerized aluminum iron chloride, polymerized iron sulfate (polyferric iron) and so on.
Pharmacy series: COD remover, ammonia nitrogen remover, total phosphorus remover, decolorizer, etc.
Filter material series: powdered activated carbon, coconut shell activated carbon, and so on.
