Activated Charcoal powder charcoal, granule charcoal,  clinder - shaped activated charcoal, etc, can be used in purification of purified water, waste water, and air pollutants.  Ion exchange resin This product possesses good dynamic function, perfect working exchanging energy and recovery efficiency. Cation exchange resin Good at hard water softening 、pure water 、and super pure water preparation Anion exchange resin Possessing good dynamic function 、perfect working exchanging energy and recovery efficiency.  Iron and Manganese Remover If iron 、manganese contents in underground well water exceed limit, and when the water is directly used or used as industrial water, the phenomenon of red water or black water is likely to exist, so that the water is extremely needed to be applied iron and manganese removal treatment. This reagent possesses characteristics of porous, also the function of oxidizing iron 、manganese ions and removing suspending substances in water by filtering. Base stone and quartz sand. RO membrane 、filtering element.