... ,etc. Anionic polyacrylamideWe are the biggest and most professional manufacturer for emulsion polyacrylamide(PAM) in china.Our pam is w/w ... quality and good price make it popular now in the world market .Now we deal with our products of anionic and cationic ... Used in water treatment.Now we export to many countries, for example, america,canada,australia,argentina,india,japan,taiwan,philippines,Indonisia ...