Steel bars importation Iran

I want to buy your steel 1.0718 in the round(18, 19, 20, 22, 24 and 25 mm) and hexagonal(16, 17,18,19, and 20 mm) profiles. please give me the following information:

1. minimum batch size to order
2. price
3. range of sizes profiles you offer
these profiles and sizes are for a start, and after that, we will need other profiles and sizes in much bigger batch sizes.