With more then 10000+ networks, the efficient service has guarantee.
The installation and after service covers 98% of cities and towns in China.
The multiple services make consumers comfortable.
National quality assurance
More than 10000 service networks covered in 98% cities and towns.
It is free during guarantee period.
Two hours efficient service after sale
After 2 hours of product sale, our after-service staff will follow the installation.
It is suitable for 99% material doors.
Free of remove old lock and install new lock.