1. Large shopping malls, supermarkets, and department stores equipped with POS machines. It also includes various electronic products, clothing stores, etc.

2. Taobao, Tmall and other e-commerce platforms.

The specific steps are as follows:

1. On the mobile desktop, find the Taobao client and click to open it.

2. Next, enter the Taobao page, select the product you want to purchase, and then click "Checkout" where the arrow points.

3. Next, on the "Confirm Order" page, select "Submit Order" pointed by the red arrow at the bottom right of the page.

4. Next, on the page, find the bank card you want to pay with and select it.