Used Railway Track Scrap request

Wiling to get an offer for rsil scrap.
Please advise the following:
1. CNF Karachi prices
2. Stock location and images
3. Is it full length or cut pieces, if cut pieces what is the average length
4. How much quantity would fit in 1x20 and 1x40HC
5. Stock specs and quality
6. Is it new or used
Initially we would need 25mt first month, 35mt second month and then 50mt per month onwards if quality is satisfactory and trials are successful.