Four. According to the regulations of China Construction Bank, a person can only apply for no more than 4 Zhang Jianshe bank savings cards. If he has applied for a first-class bank card account before, he must apply for a second-class bank card account, and so on. China Construction Bank provides comprehensive financial services to China, Taiwan Province Province, China, Hongkong, China, the United States, Australia and other countries or regions on a global scale.