The appraiser can be trusted. Appraisers who sign up for Wu De App need not only profound cultural background and in-depth understanding of trendy goods, but also professional research and analysis ability. These appraisers are hardcore sneaker players and hipsters, who have systematic knowledge and practical experience in the design, materials, production and sales of sneakers. Appraisers in Wu De have many years of first-line combat experience and appraisal experience, which enables them to provide accurate appraisal results in most cases. Wu De app is a new generation trend online shopping community launched by Shanghai Zhizhuang Information Technology Co., Ltd. Wu De app pioneered the shopping process of first identification and then delivery, realized a powerful centralized platform supervision mechanism for e-commerce products, and explored a new mode of e-commerce platform transaction.