Steel window fire doors used in the fire passage, refers to the fire is used in the passage of the fire door, above the square window for fire, see clearly the situation outside the door, in order to escape, not panic, run around. Glass is used in the fire glass, fire resistance is very good,...
Steel window fire doors used in the fire passage, refers to the fire is used in the passage of the fire door, above the square window for fire, see clearly the situation outside the door, in order to escape, not panic, run around.Glass is used in the fire glass, fire resistance is very good, small and beautiful, does not occupy the fire door how much area, simple and practical, is a very practical and beautiful fire door, please see the following product parameters:
