Sign the customer's own name directly, as usual. Power of attorney is to entrust others to exercise their legitimate rights and interests on their behalf, and the client needs to show his legal documents when exercising his power. The trustor shall not abandon the entrusted matters for any reason. If the client makes any rights and interests that violate national laws, the client has the right to terminate the entrustment agreement. Within the scope of the legitimate rights and interests of the principal's power of attorney, all the duties exercised by the principal shall be borne by the principal, and the principal shall not bear any legal responsibilities.