Used Rails purchase (5-year contract)

We have a client that is in a position to issue an LOI for the purchase of 30,000,000 tons in a 5-year contract. Let us know the best price you can do per ton.
We have all the documentation to start the process as soon as possible.
Payment conditions:
Confirmed and Irrevocable letter of Credit ,Bank transfer, MT760.
Recieved Form:
120.000 tons of rail scrap with the possibility of increasing up to 200.0000 tons in the month.