Unicom online business hall, how to determine whether a product supports credit card installment payment? What if you support it?

In the commodity purchase interface of the online business hall, if the "Payment Method" contains the "Online Installment" icon, you can pay the goods by credit card installment.

You can click the "staging" button on the right side of the "Buy Now" button in the commodity purchase interface, and select "Apply Now" to start filling in the outlet information, delivery address and the staging method you need to choose.