If the price is too low at the time of purchase, you should pay attention. The lowest ex-factory price of Wangwang crushed ice is about 70 cents per box in 56 yuan. Fake Wangwang crushed ice and ice are mostly mixed with pigments, saccharin and preservatives, and the sanitary conditions of fake dens are difficult to meet the standards. The staff of Want Want Ice Breaker said: "You can identify the authenticity by wiping the fonts sprayed on the outer packaging. If it is easy to erase, it can basically be identified as a counterfeit product. " However, the current counterfeiting technology is also improving, and everyone should try not to buy cheap and inferior food.