Depressant, Polymer Polyacrylamide, Mineral Processing manufacturer / supplier in China, offering Collector YX424——Selective Cu-Zn sulfide flotation agent boosts grade/recovery, Effective Cu-Mo sulfide collector YX6300 enhancing recovery via dispersion/foaming, Collector YX091 : Selective Low-Dosage Flotation Agent for Cu-Au-Ag Sulfides with Frothing and so on.