If you want to know whether the purchased colored cotton underwear is genuine red beans, you can tear off the anti-counterfeiting label on the packaging box (bag) and stick it on a piece of white paper, and then press it hard for a few minutes before tearing it off. At this time, a string of numbers will be left on the white paper. Dial the local "800" inquiry number with a fixed telephone, and enter a string of numbers on the white paper according to the voice prompt to hear the voice inquiry result.
Fake red bean underwear is uneven in color, poor in color, rough in workmanship and low in quality. The price of each set is only 20 yuan, and the market price of this genuine red bean underwear is about 70-80 yuan. Each pair of underwear has an identification code, so you can call and enter the number to check the authenticity.
Genuine red bean underwear works fine, feels comfortable and has high color purity. Mainly depends on the workmanship, whether the reticle is aligned and whether there is thread. Red bean clothes are fine in workmanship and naturally expensive. If the price gap is too large, it can be concluded that they are fakes.