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. Heat, sound, dust and theft, and can adapt to various environments for installation and use. The steel fire door is easy to use and eye-catching, attracting more users.

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.