Dear Sir, We can supply large quantity of rock ste from Senegal. We have rock ste 28% P2O5, rock ste 30% P2O5 and rock ste 32% P2O5. Minimum ordered quantity: 2,000 MT Maximum: 20,000 MT per month Payment Terms: L/C or any acceptable bank payment. Packaging: bulk Delivery: FOB/CIF Send us you request with all your informations to receive ou best offer. regards Mr. Diop Elhadji M