Achat Cocoa Beans - Russie ( Europe)

Tender (Appel d'offre) tender for delivery cacao beans to Saint Peterburg, Russia.
Here are the general questions about the cocoa beans:
1. Why is the quality from Ivory Coast the best or one of the best in
the world?
2. Are there any differences which region the beans are coming from?
3. Are there any grades, etc.?
4. What are the approximate price levels for the various grades?
5. Is it possible to send some specification sheets?
6. Is it possible to send some samples?
7. What are the preferable payment terms (Letter of Credit, etc.)?
8. What are the preferable delivery terms (EXW, FOB Abidjan, CFR
Saint Petersburg, etc.)?
9. Any other important information
10. Average percentage of rejects in delivery?
11. Delivery time?
12. Possible diseases of the beans?
13. Possible reasons of the beans damage during transportation?
14. Are there any special rules for transportation of the beans?
15. Estimated insurance costs?
16. Rules of the warehouse storage?
17. Usability period?
18. What documents are normally provided by the supplier
(certificates, etc., etc.)
Dears, please try to collect as much information as possible because
we know quite little about this product.

Many thanks.

Hugs!