The fireproof glass in the fireproof door has high fire resistance, which can burn in the flame, and can achieve the effect of no blasting and no melting within a certain time. The hardness of the glass of the fire door is 6~12 times that of the float glass and 2~3 times that of the tempered glass.

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.