1. If you have any service requirements during the use of the product, you can call our national free service hotline (400 088-4777) for service application。

2. After the service engineer receives the customer's troubleshooting call, he can communicate and guide through the phone and give preliminary solutions to the problem；

3. In the case that the problem is not solved through telephone communication, according to the situation, arrange engineer on-site service or notify the customer to send to the designated repair point for repair；

4. Customers need to provide the following information when reporting for repairs: contact person, contact information, contact address, machine model, serial number, fault phenomenon；

5. After the problem is solved, a designated follow-up person will follow up and maintain the working conditions of the on-site machine to ensure customer production efficiency, and at the same time conduct service satisfaction surveys to further improve service quality。