Aluminium ingots A7 supply, MOQ 500 mt, CIF terms

I am selling aluminium ingots A7, Al 99,7.
Price : LME -20%, CIF.
MOQ: 500 mt.
Origin: South Africa or Mozambique.
Payment terms: MT103 or SBLC
For TT MT103 payment: after inspection of the goods at the factory’s warehouse, the buyer signs a contract, receives an invoice for the payment of a 5% TT as deposit, to enable the seller to commence with packing, transportation of the goods to the port of loading. Another 5% TT payment after all goods are loaded on to the vessel with B/L issued. The outstanding balance of 90% TT payable after delivery of the goods to the port of destination against the full set of shipping documents, inspection conducted by an internationally recognized surveyor (SGS or similar), at the discharge port.
For SBLC MT760 guarantee payment: After inspection of the goods at the factory warehouse, the buyer signs a contract, receive an invoice to open a Standby Letter of Credit (SBLC) to guarantee the payment which will be activated with a 2%PB and MT103 payment after delivery of the goods to the port of destination against the full set of shipping documents, inspection conducted by an international recognized surveyor (SGS or similar), at the discharge port. SBLC step by step protocol. 
If you are interested please contact me for further details.