Product 1 and presentation: High quality copper pieces of 99.6% purity from 600 to 1200 kilograms of weight per piece. First delivery: From 14 MT. Subsequent deliveries: 100 tons per month. Product 2 and presentation: High quality 99.6% copper ingots purity from 10 to 40 kilograms of weight per piece. First delivery: From 50 MT. Subsequent deliveries: Up to 3000 tons per month. Product 3 and presentation: High quality copper electrolytic cathodes of 99.6% minimum purity. First delivery: From 50 MT. Subsequent deliveries: Up to 3000 tons per month. Test methods used: -ASTM E478-03 Standard Test Methods for Chemical Analysis of Copper Alloys / Standard Test Method for the Chemical Analysis of Copper Alloys. Certified reference materials used: - Standard Reference Material 124d, Bronze Ounce Metal. National Institute of Standards and Technology. - B.C.S. No. 180/2 Copper Nickel British Chemical Standard. - Standard reference material 158A. Silicon, Bronze, National Institute of Standards and Technology. Discounts and commissions: In material already produced: On the price of the day for the total of each delivery a total discount of 7% will be made effective distributed as follows: 4% direct to the buyer, 1.5% direct to the sales links and 1.5% direct to the purchase links. Payment method under this sales dynamic: Against delivery in the producer's yard. Discounts on material sold in advance: A total discount of 10% is offered on the price of the day distributed as follows: 7% direct to the buyer, 1.5% direct to the sales links and 1.5% direct to the purchase links.