1, the most elementary thing is to start with friends around you. \x0d\2。 Of course, the simplest method is also the most successful and effective from the conditions of people who can handle the Bank of Communications credit card, such as: wage payers, college students who graduated after 20 13, and users who already have other bank credit cards. \x0d\3。 Sweeping the building means visiting some buildings. Of course, there must be a certain purpose, such as: interbank banks, insurance companies, large offices and so on. 4. Gift temptation, send some small gifts to customers. \x0d\5。 Select some special merchants who cooperate with Bank of Communications to provide credit card services, such as Wal-Mart, cinemas and supermarkets.