Grade A: Fe2O3% more than 78% , mainly for iron industry and pigment. Grade B: Fe2O3% more than 65% , mainly for cement industry and other industries. Grade C: Fe2O3% more than 55% , mainly for cement industry and other industries. Quantity: According to your needs. Price: According to our negotiations. Payment terms: L-c site against shipping documents and according to our negotiation. Note: we can send to you our samples for chemical analyses associated with SGS certificate for the chemical specification of the samples.