Polyaluminium Chloride manufacturer / supplier in China, offering Water Treatment Chemical Polyacrylamide White Powder Flocculant Polyacrylamide PAM for Industry Wastewater, Flocculant Anionic and Cationic Poly Acryl Amide PAM PHPA Paper Retention Aid Chemicals, Top - Notch Composite Carbon Source Ideal for Municipal Sewage Purification and so on.