Some irresponsible merchants, boast of their own products to always be able to talk about the sky, and so consumers spend money, buy the product, found that the effect is not so good, and then go to the merchant theory, afraid of nine out of ten have to eat a closed door.
In the absence of a reasonable explanation of the business, you can complain about the store, or 315 counterfeiting, are very strong, encountered violations of consumer rights and interests, do not choose to tolerate the evil, must be punished severely, to create a healthy network environment.