After receiving the user's fault information, respond quickly within 2 hours, and the maintenance personnel arrive at the site within 48 hours to eliminate the fault.
2. During the warranty period, the supplier shall be responsible for repairing and replacing the damaged parts and components free of charge for the product or installation quality problems of
3. For the maintenance beyond the warranty period, the supplier will provide paid life-long service. If the parts need to be replaced, preferential supply will be offered.