Buying used rails R 50, R 65, 250,000 MT per month, CIF

We search for the large quantity of used rails R50/R65. 
Commodity: used rails R50/R65. 
Quantity: from 50,000 to 250,000 MT per month - 1 year contract. 
Delivery terms: CIF  
The Buyer also wants personally to visit stock of the Seller after signing the contract but before issue L/C. 
We wait your detail soft offer with specification, prices (range from 50,000 to 250,000 MT per month - 1 year contract), procedure and draft contract. 
After confirmation of your price and conditions we are ready to issue ICPO from our direct Buyer . 
We are interested to buy constantly.