Fire rated door steel door leaf thickness is divided into three standards, A, B, C, and has excellent sound insulation and heat insulation performance. Steel fire doors can be provided with windows, shutters, ventilation shutters, etc. as required. Welcome to consult us.

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.