Generally, the following information is required: 1. The purchase order signed and sealed by the customer indicates that the payment is indeed a commercial transaction; 2. PI signed and sealed by the customer, which proves that the money was paid to the bank mentioned in PI; 3. The company's equity certificate signed and sealed by the customer. Banks need to check the composition of cooperative companies to see if they are involved in some irregular operations such as money laundering;

4. A scanned copy of the business license signed and sealed by the client company; 5. Customs declaration, which proves that you have exported the order; 6. Bill of lading, air transport requires air bill of lading, and sea transport requires sea bill of lading; 7. Description of the transportation route, that is, what kind of transportation mode will be adopted for the goods of this ticket, the port of departure and the port of transshipment have arrived at the destination port, and the corresponding flight number is required for transshipment.