· Warranty period: 1-2 years, life-long maintenance.
. On-site service: During the warranty period, if on-site service is required, the customer shall bear the corresponding accommodation and car expenses.
-Free warranty (including labor and materials); During the warranty period, the warranty period is free to return to the factory. After the warranty period, accessories and maintenance services are guaranteed at a reasonable price. At any time, the liability due to defects in the goods themselves will not be exempted.
· Response time: Receive notification from users to ensure 24-hour uninterrupted after-sales technical service support.
Spare Parts and Spare Parts: The necessary spare parts and spare parts have been prepared for the user before the display screen leaves the factory.
Free training: free on-site equipment operation training for the purchaser's technical personnel to ensure that the user personnel can master all kinds of equipment and software and other conventional use methods, as well as the judgment and solution of minor faults.
· Telephone return visit: During the warranty period, the company's after-sales service department will contact users by phone every month to understand the operation of the LED display screen and find and solve problems at any time.
software upgrade: maintain the system continuously for life, and continuously perfect the system function and software upgrade.
. Provides local installation guidance.
