Although the fireproof door lock is a small part, it plays an important role. In case of fire, the fire door lock has high temperature resistance. The fire door lock is connected to an intelligent system. In case of an accident, the fire door lock will make an emergency sound, so that people can be alert immediately to deal with the accident.

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.