The following situations that cause quality problems have no guarantee effect:
1) Not operating and using according to the user manual;
2) Not repairing at the designated repair shop of the company;
3) Exceeding the warranty period;
4) Not using components manufactured by our company;
5) Unauthorized modification without the companys authorization and permission;
6) Used beyond the maximum carrying capacity;
7) Caused by force majeure factors such as typhoons, floods, fires, earthquakes, wars, etc.