Copper Cathode needed for delivery at Durban

We express the intention to purchase the following commodity:
COMMODITY: COPPER CATHODES GRADE CU 99.97% min – 99.99% max in sheets
SPECIFICATIONS: Cathodes Copper: CU 99.97% min – 99.99% max Purity. Electrol tic Grade A
MIN. WEIGHT IN EACH CONTAINER: 20 MTS approx.
GROSS WEIGHT OF EACH CONTAINER: 22.20 MTS approx.
QUANTITY: We confirm readiness to purchase from 3000 to 15000 MT per month.
PORT OF DESTINATION: FOB international bonded warehouse (Steinweg, CWT, Bollore etc).
PAYMENT TERMS: 100 % TT against shipment documents and SGS or similar inspection report done at any international bonded warehouse. (Steinweg, CWT, Bollore etc)
We are open to dialog. All terms of the contract are the object of negotiation.