We want to buy blended fertilizer, and its specifications are as follows: N: 10; P: 20; K: 10; S: 4.5. If you can supply, pls quote your best prices for the following quantities: 1) 28MT (40FT Container) 2) 50MT 3) 100MT   4) 500MT 5) 12,500MT (Bulk Ship load) Shipping details: CIF Lusaka, Zambia pls contact me by oleg_915(at)yahoo(dot)com