Is the fire door a sliding door or a revolving door?
Roll gate and open the door, open the door as we usually push open the door, but the material and our ordinary door is different.
Fire doors are flat doors, do not belong to the sliding door or revolving door. And the sliding doors and revolving doors are searchable and can not be used as fire doors. At least not in China. In foreign countries there are sliding doors do fire doors, but China is not allowed.
