Used rails R50, R65 purchase, 50 000 mt monthly, CIF Turkey

We would like to order used railway Steel (R50 and R65).
Standards: GOST 7173.75 (R50), GOST 8165.75 (R45) / ISRI 27-29 or equivalent standards.
Weight per meter:  R50: 5151kg/m, R65: 64.87 kg/m.
Bar length: 0.90m to 1.20m.
Condition: o Used rails free from dirt, grease, foreign matter, and harmful impurities.
No radioactive contamination, excessive rust, or explosives.
Free from hazardous materials and prohibited items.
Total Quantity: 500,000 Metric Tons (MT).
Monthly Delivery: 50,000 MT (or as mutually agreed).
Delivery Terms
Incoterms: CIF (Cost, Insurance, and Freight) Destination Port: Mersin, Turkey.
Shipment Schedule: Delivery to commence within 30-45 days of SPA signing and receipt of financial instrument.