Depressant, Polymer Polyacrylamide, Mineral Processing manufacturer / supplier in China, offering YX811 Removal of Silicate, Magnetite, Hematite, Iron, and Quartz from Iron Ore, YX300 Flotation Collector Zinc Oxide, Spodumene And Other Oxides, YX093A-Specialized for flotation of refractory copper sulfide ores in gold mines and so on.