1. WeChat follows "China Agricultural Bank Weizhong Bank", click "Business Hall" at the bottom of the page, select "Credit Card" and click "My Credit Line". According to the tips on the page, you can apply for a temporary credit line within 50,000 yuan.

2. Call China Agricultural Bank's credit card customer service telephone number: 400-669-5599, and transfer to manual customer service to apply for adjusting the temporary or permanent credit card limit.

3. Log in to the Agricultural Bank of China app, select "Credit Card" on the homepage, click "Line Adjustment", and you can apply for adjusting the temporary or permanent line according to the prompts on the page.

4. Cardholders bring their valid personal identity documents and credit cards to the counter of ABC outlets, and apply for increasing the credit card limit with the help of staff.