Marketing activities, customer service.

1. Marketing activities: China Merchants Bank will promote the bank's products or services, such as credit cards, loans, financial products, etc., to potential customers through the small call outbound line.

2. Customer service: For existing customers who have established business relationships with China Merchants Bank, the bank provides customer service through the small call outbound line, such as solving customer questions, handling complaints, providing personalization, etc. To improve customer satisfaction and loyalty.