of purchase. In order to facilitate us to provide you with a comprehensive and efficient
maintenance service, please be sure to return the warranty card when you need repair service.
Our company may adopt remote guidance, express delivery, visiting service or other methods to
carry out the maintenance service.
Even in the period of free maintenance, we may charge for repair in the following situations:
Faults or damages caused by not following the user manual and operation precautions.
Faults or damages caused by dropping accidentally when moving the device.
Faults or damages caused by repair, reconstruction or decomposition, etc. by others except
our company.
Faults or damages caused by improper storage or force majeure.
The free maintenance period for accessories and wear-out parts is half a year. The user
manual and packaging materials are excluded.
Our company is not responsible for any malfunction of other connecting instruments directly or
indirectly caused by the failure of this device.
The free maintenance service is valid only when the protection label is intact.
For paid maintenance beyond the warranty period, our company recommends to continue to
obey the "Maintenance contract regulation". Please consult our customer service department for
specific situation.