customer service

1. Dingxin adheres to the business philosophy of “one person-oriented, technology-based enterprise”, relying on innovation, optimizing product structure and expanding business areas.

2. Dingxin has sales branches and offices throughout the country, forming an intensive sales and service network, promptly feedback customer information, and better serve customers faster.

3. Implement a national unified price sales policy, face-to-face product contracts, better protect the rights and interests of customers