System setup

In order to greatly guarantee the daily use of device and meet user demand, set up three-grade maintenance system and make the standing book record:
First-grade maintenance: before starting up, online check-up work of device manager is recorded for filing.
Second-grade maintenance: user device maintainer makes the weekly and monthly maintenance of device.
Third-grade maintenance: the supplier makes the maintenance of the device in a half year and sets up the “medical record” of the device, thus the device receives the all-around control and maintenance records from starting to use.