The fire door hinge is a component connecting the door and the door frame, which mainly supports the door body and has a certain anti-theft function. Fire door hinge is a new type of hinge that can be hidden in the door body. At the same time, it has the function of normally opening and closing under the control of electromagnetic external force, and drives the door body to rotate.

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.