Depressant, Polymer Polyacrylamide, Mineral Processing manufacturer / supplier in China, offering Stable-foam reagent bfrother Q30 enhances fine-particle separation in clay-rich ore flotation, Stable-foam reagent frother Q60 for clay-rich ores, enhancing fine-particle separation efficiency, Targeted low-dosage sulfide collector YX091: strong Cu/Au/Ag, weak pyrite affinity and so on.