The interest rate of China Merchants Bank 12 installment is 0.66%, so each installment of 300 million 12 needs to pay 198, and 12 needs a total of 2376 yuan. \x0d\ At present, China Merchants Bank can provide a variety of options for the number of installments, including 2 installments, 3 installments, 6 installments, 10 installment, 12 installment, 18 installment and 24 installment, and the corresponding rates for each installment are 1.0%, 0.9% and 24 installment respectively. \x0d\ handling fee per period = total amount per period × corresponding handling fee rate per period. \x0d\ Credit card installment method of China Merchants Bank: \x0d\ 1. SMS application: You can edit the SMS "AG# Amount # Period" and send it to 1065795555 (mobile phone user) or 10655020 1095555 (mobile phone user). \x0d\2。 Online application: You can log in to China Merchants Bank's credit card online banking, select the "installment financing" page, enter the "bill installment", enter the installment amount, select the installment number, and the system will immediately review and automatically inform the application result. \x0d\3。 Telephone application: you can call 400-820-5555 directly. After completing the identity verification, you will inform the customer service of the installment amount and the required number of installments, and the system will immediately review it, and the customer service specialist will inform the application result.