3 to 4 weeks. This position requires a certain level of knowledge and skills, as well as an understanding of China Merchants Bank's credit card, car installment and other related businesses. After 3 to 4 weeks of professional training, it can help the trainee master and master the ability to use related business tools. The content includes basic knowledge of China Merchants Bank’s credit cards, car installment related knowledge, customer service and teamwork, etc. to help trainees learn to use relevant business tools and master their application capabilities.