Therefore, Alibaba has multiple choices of suppliers, and the cost of switching to another hardware supplier is low. Furthermore, Alibaba has its own excellent software development team, so it does not need to rely on external parties. On the other hand, Alibaba's suppliers also involve merchants, such as wholesalers and retailers because they provide information to Alibaba. In this case, merchants have to rely heavily on Alibaba, due to the strong influence of the Alibaba brand. During these years of expansion, Alibaba has accumulated a large volume of customer base, and no company has managed to catch up with it