Coltan offer on FOB

We are a Mozambican company of services in the Mining, Agriculture and Renewable Energies area.
We Represent 5 Coltan Tantalum Mines in Zambezia Province in the districts of Mocuba, Gile, Alto Molocue and Muiane.
The Minas has levels of 30%, 35%, 47%, 50% and 75%. Each one having production capacity of 50mt in 30 days, we sell in Fob and Cif.
FOB:
30% 35,000.00 USD FOB
35% 45,000.00 USD FOB
47% 55,000.00 USD FOB
50% 65,000.00 USD FOB
75% 80,000.00 USD FOB.
CIF:
30% 40,000.00 USD
35% 50,000.00 USD
47% 60,000.00 USD
50% 70,000.00 USD
75% 85,000.00 USD