Banks and trade-finance companies handle letters of credit and import finance; some forwarders also offer cargo finance. The seller's role is to provide a correct contract and invoice that match the credit terms.
An L/C must describe the documents exactly, including any inspection certificate. Discrepancies between the credit and the shipping documents are the usual reason payment is delayed.
Ask us for the model, tonnage or destination you have in mind — we reply with matching units and an FOB or CIF quotation.