Oge mgbanaka ọkụ nke klas B nchara ọnụ ụzọ ọkụ agaghị adị ihe na-erughị awa 1.0, na ngwa ngwa ngwa eji n’ọnụ ụzọ ọkụ ahụ ga-ejikwa ngwa ngwa ngwa mgbagha. A na-ejikarị ọkwa nke ọnụ ụzọ ọkụ a eme ihe maka ọnụ ụzọ ụlọ ịchọ mma ezinụlọ.

ọnụ ụzọ ọkụ,fire door 32×80, fire proof door european standard,fire door 20 minutes,double sash with frame & sash fixed wit,fire door 32×80,ọnụ ụzọ ọkụ, fire rated door 5000mm,90mins ọkụ gosiri ọnụ ụzọ osisi 4.5 hinge,fire door 20 minutes,Ọnụ ụzọ gbara ọkụ 60 min,fire door 32×80,Ọnụ ụzọ gbara ọkụ 90 min,fire rated door 5000mm,fire door pd 30,fire door 20 minutes,nkụ ọnụ ụzọ ọkụ,fire rated door 5000mm,ọnụ ụzọ mkpuchi ọkụ