Swimming Pool Chemicals manufacturer / supplier in China, offering Cationic bactericidal algaecide Polyquaternium PQ-2 CAS:39660-17-9 for industrial algae removal, Polyquaternium-2(50%) (C5h12clno)N CAS:25988-97-0 industry Bactericidal algaecide Cationic type, CAS:25988-97-0/39660-17-9 Polyquaternium-2 (C5h12clno)N Algaecides pool algae inhibition and so on.