A sneaker appraisal application named "Chek" was launched yesterday. The official explanation shows that it belongs to the second-hand trading platform, which indicates that the transfer has begun to set foot in the identification and trading fields of fashion products such as sports shoes and fashion clothes. At present, Chek has reached a cooperation with the sports trend content community e-commerce "get" to provide dual identification for the trend products such as sneakers traded by Chek.