Under the "Home Page-Mobile Phone" of China Unicom's online business hall, there is a project of "Call Charge, 0 Interest, 0 Handling Fee". After clicking, you can see the instructions on how to apply. After the user has applied for the credit line, when purchasing the machine in the online hall/mobile hall, after selecting the goods on the product details page and confirming the order, he can choose "credit payment for recruitment" in the "payment" mode to make installment payment, and enjoy 0 interest and 0 formalities.