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Nullam dignissim, ante scelerisque the is euismod fermentum odio sem semper the is erat, a feugiat leo urna eget eros. Duis Aenean a imperdiet risus.
Fault Handling
Longcheng offers free services such as hotline, remote technical support, on-site maintenance, and spare parts repair.
Level 1 Fault
Remote telephone or network guidance is provided for issues with plug-in connections and control software on the LED display screen.
Level 2 failure
For damaged unit modules, power supplies, receiving cards, transmitting cards, graphics cards, etc., replacement parts, accessories repair and mailing services are provided.
Level 3 failure
The failure determination criterion is that a large number of modules or power supplies on the LED display are damaged.
Provide on-site service
