r occurs, a warning signal will be provided .
Ventilator-Aging Test Cabinet/Service:
1.equipment used in normal conditions next year free maintenance , such as failure after one year , the company implemented a lifetime repairs, and only maintenance cost.
2.after equipment failure , the supplier received notice ( in writing if necessary ) to reply within 8 hours , propose solutions , the demand side to reach the scene in time and give ruled out, the need to provide cooperation.
3.after-sales ser