Chemicals importing request Argentina

We are looking forward to import the following products:
-CALCIUM PROPIONATE
-SORBATE
-NATAMYCIN
-CITRIC ACID

For this, I ask of you to inform me:

PRICE: FOB, please, be king to point the loading port.

QUANTITY: Price per Ton and for a 20" DRY FULL CONTAINER.

PAYMENT: Letter of credit - Wire transfer - etc.