The Internet has entered people's daily lives. Under the situation of the increasingly expanding demand for online supply and demand transactions, China's YDDHW (Yund Ding Dahe Wang) has emerged. Yund Ding innovates and transforms in the trade model, changes the traditional marketing methods to achieve the electronic operation of business. It develops and constructs www.yddhw.com with the operating model of "one-stop supply chain service provider" to realize the innovative concept of integrating information flow, business flow, commercial flow, logistics, and capital flow. This website provides customers with professional supply chain services, helps customers optimize supply chain resources, enhances customers' core competitiveness in the market, and creates the greatest circulation value for customers.