UL fireproof door has a fire rating of 20-120 minutes. The material of UL fireproof door leaf includes galvanized steel plate, stainless steel plate and coated steel plate, which can be used as single leaf/double leaf door.

Mga pultahan sa sunog sa ZHTdoors, 31 ka tuig nga kasinatian sa produksiyon sa mga pultahan sa sunog ug Windows. Ang nag-unang 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.