JD。 COM, Aauto Quicker and Pinduoduo sell four sets of milk cashmere from the same manufacturer, with the same quality. They are all domestic large-scale e-commerce platforms, and the product quality is guaranteed. Different platforms have different positioning, different logistics and different services, and there will be price differences. The goods of the same manufacturer will have different prices when sold on different platforms, and the quality of the goods is the same.