Keep Sales Moving with Gateway Trade Funding Purchase Order Financing. Often, a company's greatest challenge is not sales or production, but simply locating the financing to procure pre-sold merchandise. Companies in nearly 100 industries have benefitted from Gateway Trade Finance's innovative purchase order financing. We have provided well over 1,000 different fundings totaling approximately $100-million. Gateway Trade Funding offers a finance program that allows your business to purchase inventory from your vendors without drawing on your line of credit. Gateway provides letters of credit, payments against documents or wires to foreign or domestic manufacturers to cover the cost of pre-sold inventory. Before the product ships, Gateway arranges for the inspection of finished products anywhere in the world.