You can enter our "online message" to leave a message and put forward your service requirements. We will reply within 24 hours after receiving your message.
If the problem is urgent, we will contact you in real time to solve the problem.
Or communicate with our technicians through "online instant messaging tool" to get help.
Promise
Due to the different characteristics of different products,| Product type | Main terms of service commitment |
| IP series products | Provide free on-site service within three months |
| Campus network product series | Provide free on-site service within three months and free upgrade when there is a new version within one year |
| Metropolitan area network product series | Provide free on-site service within half a year and free upgrade when there is a new version within 1 year |
| Dongle | The warranty period is 1 year. Replacing the dongle module is a product replacement and is not within the scope of warranty or free upgrade |
Service Network
We provide you with several offline service outlets
