Used rails R50, R65 needed 50 000 mt monthly, to China

We are interested in used rails R50 and R65 of EU origin only.
Length of rails: 0,8 m-12,5 m max.
Chemical composition as requested.
Quantity : >50,000 MT per month.
Inspection certificates by authorized laboratories before shipment
Destination Port: Ningbo,China
Payment: Irrevocable Letter of Credit at sight.
We need millions of tons of the a.m.recycling rails.
Therefore you are welcome to supply from 5000 metric tons to 5 million tons depending on your availability, if the rails are approved to be according to the requirements.
Looking forward to your offers.