Looking for aluminium ingots A7, 500 mt trial

We would like to buy aluminium ingots A7.
Trial order: 500 mt.
Monthly: 2000 - 5000 mt.
Destination: Turkey port.
Preferred origin: Kazakhstan.
Target price: US$ 2,300/mt* CIF. 
Payment: 100% irrevocable, operative, divisible, non-transferable Letter of Credit at SIght (MT700), DLC.
Looking forward to your offers with the price and specifications.