Adult products manufacturers ：Because of the potential entrants may see good profits in this industry and joined the "Adult products manufacturers" brand as a threat ; potential alternatives is very hard to detect , which includes functional and emotional alternatives alternatives . Function is still relatively good understanding of alternatives , such as U-disk storage device instead of a floppy disk is the most obvious example , even if the original floppy strong "Adult products manufacturers" brand will capsize .In view of the "Adult products manufacturers" competitive relationship requires great attention to the fact that we not only want to see the dominant competitor , but also to see the potential competitors , which has often been overlooked . "Adult products manufacturers http://www.zhsextoy.com/products-detail.asp?cpid=204" Brand two main types of potential competitors , including potential entrants and substitutes.