No.
Nowadays, no matter which bank’s credit card center it is, it is a gray area.
The contracts you signed are all for expatriate employees of the labor service company. In a sense, you have only a temporary relationship with the bank and are not regular employees.
And you also It is difficult to become a regular employee. It is not difficult in general, it is very difficult. In some areas, such as Shanghai, most of the credit card departments of banks are outsourced to other companies and have nothing to do with the bank!
Wish you good luck