1. Operating on China Bank's online banking: log in to China Bank's online banking, enter relevant pages (in investment and wealth management or account management), and find options or functions related to third-party depository. Choose to cancel the operation of the third-party depository business, fill in the relevant information according to the system requirements and confirm the cancellation step.

2. Go to the counter of China Bank: Bring my valid ID card and bank card to the counter of China Bank. Explain the demand to the counter staff, that is, cancel the third-party depository business, and provide specific operational guidelines and required forms. Fill in the relevant forms and follow the instructions of the staff.