- 07
- Nov
UL Fire Rated Door Certification
UL fire doors are different from other fire doors. The obvious feature of American standard fire doors is that American standard fire doors need to pass the fire water strike test. The five accessories of the fire door must also have a UL label.
ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors, BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.