How to buy braces or something by installment?

Bangzheng manages orthodontic payment for reference:

Orthodontics can be staged, and nothing can be handed in on the day of wearing braces. Through fitting, it is decided to correct, and there are three payment methods:

1. Pay off 5000 yuan. (in no stage)

2. credit card installment payment. (the handling fee is self-care)

3. Handle the installment payment with the financial company (take care of yourself).