First of all, let’s talk about credit card submission. Credit card submission refers to the collection and arrangement of credit card application information. The quality of submission here usually refers to the applicant’s personal qualifications, including financial status, work, and income. Relevant contacts, contact information, etc. Among them, the more important review items are financial status (real estate, car ownership, equity, deposits, social security, provident fund, etc.), work income and job position (civil servants, doctors, teachers, company CEOs, etc. , belong to high-quality customers). To manage the quality of incoming goods, we usually first need to review the credit card applicant's qualifications, that is, the above three items need to be reviewed intensively. Those who meet these three items are considered high-quality customers. Correspondingly, Those that meet the criteria are of low quality.