There is no charge for handling China Merchants Bank credit cards. The specific treatment method is as follows:

1. Open the application of China Merchants Bank, find the "Credit Card Application" option, and click.

2. Select the type of credit card you need to apply for.

3. Enter the ID number and mobile phone number, and select the processing type.

4. Read the relevant agreements, and then click Next.

5. Fill in the company email address, telephone number and mailing address, and then click Next.

6. Fill in personal information.

7. Fill in other information and click "Submit Application".

8. After the submission is completed, the application can be completed.