Its advantages are fast collection, convenient withdrawal and relative safety, and it is suitable for large-scale collection. Of course, there are also shortcomings, requiring buyers to pay first, and strict requirements on credit issues.

TT, also known as telegraphic transfer, is a remittance method in which the remitter pays a fixed amount of domestic currency to his foreign exchange bank for a fixed amount of foreign exchange, and indicates the name and address of the payee, and then the undertaking bank (remitting bank) sends an additional fee telegram to the branch or agent bank (remitting bank) in another country, instructing the remitter to pay the payee.