Give the customer all the support required regarding their shipment such as: accurate documents (BLs - drafts and originals, invoices, MSDSs), certificates (certificate of origin, certificates of analysis, up-dates for interfaces, daily ETA´s, debit or credit notes (prices adjusts). Register the Sales on the SAP (or specific) system: Issue Sales orders, emit the debit or credit notes, register customer complaints, bill the sales and all the other inventory movements needed related to the sale.