Wastewater Treatment Chemical, Polyacrylamide, Polymeric Ferric Sulfate manufacturer / supplier in China, offering Polyacrylamide Cationic Lotion Flocculant for Water Treatment, Cationic Polyacrylamide Flocculant for Sand Washing, Printing and Dyeing, and Domestic Sewage Treatment, Poly Aluminum Ferric Chloride (PAFC) – Water Treatment Chemical and so on.