Fire door hinges are non combustible, non explosive, water resistant, chemical resistant, non-toxic and have good mechanical strength. The fire door hinge has high fire resistance. In the simulated combustion test, it does not deform when the maximum temperature reaches 800 degrees, and has good fire resistance and flame resistance.

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.