UL wood fire doors are made of fire-resistant wood, and the filling materials are non-toxic and environment-friendly fire insulation materials, which not only reduce production costs, but also achieve energy conservation and environmental protection. Fireproof doors made of such woods as rosewood, walnut and oak have excellent performance and high price.

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.