Yu Min Mall shopping rebates search portal, mainly to provide consumers with product information search comparison shopping search-based, cash back shopping, shopping and other services sharing for users to make the right buying decision provides an important informative reference. Yu Min Mall since its inception, has been adhering to the "allow users maximum benefit," the concept of "sincere and responsible" attitude, follow the "customer first" principle, and constantly improve the quality of their service, and strive to 100 percent customer satisfaction. For us, the first place the interests of users throughout the service has always been. Yu mall in China, there is no user comments sizes, user opinion is that we improve the direction. Our online customer service and webmasters are ready to help users solve various problems. In addition, we strive to do their job, in the user's suggestion, we continue to improve website optimization, adding more promotions, every transformation we are in order to provide a better shopping experience.