Manganese ore 42-44% Lump from Brazil

I have Manganese Ore 42-44% lump but in quantity 5000 metric tons per month. This is Brazilian origin.
Mn42%, Fe 8% Maximum, SI02 12% maximum, AL203 9.50% maximum, P 0.15% maximum, S 0.15% maximum size 10mm to 90mm.
Payment: Irrevocable LC at sight through TT or MT 103, transferable or may be non-transferable, divisible,payable at any bank in Brazi 95% at loading and 5% at unloading port after CIQ.