The thickness of steel fire door leaf is divided into three standards, namely, Party A, Party B and Party C, with excellent sound insulation and heat insulation performance. Steel fire door hinges, locks, door closers and other vulnerable parts are of high quality, light and durable.

ZHTdoors fire doors, 31 taong karanasan sa produksyon sa fire door at Windows. Ang pangunahing UL fire doors, EN fire doors, BS EN fire doors, atbp.,.Kami ay may certification.ZHTdoors support OEM at libreng disenyo.Our advantages:good quality, factory price, good service.Welcome to consult us.