Therefore, companies are required to have chains, there is the extensive network both domestically and abroad. In order to be able to accommodate the needs of most customers. Again, both will need a significant amount of money because some costs, the company has to pay to the customer the next example, the freight charges at the port and value certain documents etc, but it depends on the nature and the sales and purchase agreement. Which is why this message, it gives some companies fail miserably.