Buying and selling item, for example, is the company or the seller has posted a message item is sold on the Internet and let people buy goods transfer or use a credit card to pay for the service, or the price of goods.
Trading like this is the company or the seller posts products via the Internet. And let the buyer cash transfer or credit card payment or money. Then deliver such goods to the customer.
This is a commodity trading company or a seller post sell the อินเตอร์เน็ตแล้ว. And let the buyer the goods transfer account or credit card pay a fee or price.