The steel fire door has a variety of different opening operation modes, and also has a variety of professional functions, which can be effectively closed or isolated. The steel fireproof door has heat, sound, dust and theft, and can be installed and used in various environments.

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.