Buying silver liquid mercury to Burkina Faso

We would like to buy silver liquid mercury.
Delivery to Ouagadougou, Burkina Faso.
Packaging: 1 standard steel flask (34.5 kg).
We would highly appreciate if you could provide us with a detailed quotation including:
- the price for the product (1 flask of 34.5 kg);
- international shipping and logistics costs (Air or Sea freight);
- compliant with hazardous materials regulations
- the estimated delivery lead time;
- your standard terms of payment.