A yellow line on the floor in one of Andres Ochoa's warehouses is the difference between struggling with higher costs and competing for new customers. The line denotes a Foreign Trade Zone inside the warehouses of SAP USA Truck and Auto Parts in Miami. The zone has shielded SAP from the trade war between the U.S. and China. " A free trade zone means that product has entered the country without having duties or tariffs paid, and it's being held in a bonded facility," Ochoa said. "There's that