... 200 kinds of different products, f.or example, sodium chloride, sodium sulfate, sodium bichromate, ammonium sulfate, ammonium nitrate, boric ... acetate, nitro cellulose, urea, PVC, potassium chloride, potassium nitrate, potassium sulfate, potassium carbonate and phosphate. The centrifuges are ... P-85 Two-stage Pusher Centrifuge is a kind of perforated basket centrifuge, both continuous and effective. The ...