The same credit card can bind the American station and the European station, but two American stations are not allowed to bind. The same registration information is registered to different sites, and this default association with Amazon is allowed. If you need the assistance of the investment manager during the registration process, it is recommended that you apply for opening a store through the exclusive Amazon store channel of tool4seller. After the application is successful, a dedicated account manager will be responsible for docking, and the application process is free.