When the UL fire door is produced and formed, it will have a good effect of fire prevention and smoke insulation, and meet the requirements of fire resistance stability, integrity and heat insulation. The production of standard fire doors is made of high-quality galvanized stainless steel sheets, which are then produced by a step-by-step process.

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.