The steel fireproof door is composed of steel frame and steel door leaf, which is not easy to be deformed by impact and damaged by external force. It can be used normally for a long time without replacement. Under the premise of fire protection effect, steel fire doors have the characteristics of environmental protection and durability.

ZHTdoors pòt dife, 31 ane eksperyans nan pwodiksyon nan pòt dife ak fenèt yo. Pwensipal UL dife pòt yo, EN dife pòt yo, BS EN dife pòt yo, elatriye,.Nou gen certification.ZHTdoors sipòte OEM ak konsepsyon gratis.Avantaj nou yo: bon kalite, pri faktori, bon sèvis.Byenveni pou konsilte nou.