Marketing Channels
作者：Thomas J.
1. Manufacturers
1.1. produce products and ship them.
2. Mail-order suppliers.
2.1. take phone orders and ship products to customers using U.S. mail.
3. Distribution Centers
3.1. Stock and sell the products. They sell the products to retailers.
4. Retail Stores
4.1. Stock products from several manufacturers and sell them to customers.
