Foodstuff import Ivory Coast

We are ECCI COTE D'IVOIRE company based in Ivory Coast and would like to buy FOODSTUFFS ( RICE ,PASTA, milk other) with you in large quantities and want to expand our supplier list because of competition and get very competitive prices
Please inform us of the procedure for opening our account with you and requesting a line of credit for 30, 60 or 90 days net payment date?