According to the service description on official website of Shanghai Rural Commercial Bank, it should be helpful to apply for a higher credit card if you can provide the following information when you apply for a card:
1. The original running statement for the last three consecutive months or a copy of the passbook of our bank or other banks containing payroll.
2. The original or photocopy of the personal income tax withholding certificate or tax payment certificate for three consecutive months or the previous year.
3. The inquiry form of provident fund acceptance in the last 3 months shall be stamped with the business seal of provident fund center.
4, the last 3 months of social security payment base query table and stamped with the social security center business chapter.