Steel fire doors can be seen everywhere in our daily life, just as the name suggests, its characteristic is its fire performance. The door of steel fire door is filled with new environmental protection flame retardant heat insulation material, in the combination of the door and the door frame and the fire glass surrounding, are done fire sealing treatment, so that the fire performance is greatly strengthened.

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onye na-emepụta ọnụ ụzọ ọkụ,steel security doors,isi ọnụ ụzọ ọkụ, ihe mkpuchi ọkụ,labeled parts of a door,Ọkụ ọnụ ụzọ gbara ọkụ, ọnụ ụzọ ígwè x, ojiji ụzọ ọpụpụ mberede, ọnụ ụzọ agbanyere ọkụ 90 nkeji,door jamb label,

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