Scrap iron purchase, 100 tons required to Canada

I would like to purchase 100 tons of scrap iron.
Please provide me with the following information:
1. Types of scrap iron available .
2. Specifications and quality standards for each type of scrap iron.
3. Current pricing per ton for each type, including any bulk purchase discounts available.
4. Availability of product photos or sample images for reference.
Additionally, I would appreciate any relevant details regarding minimum order quantities, delivery options, and payment terms applicable to this purchase.