Steel fire door according to the fire resistance, fire performance is divided into A, B, C grade. Different grades of steel fire doors can be applied to various places. Many advantages of steel fire doors make them have a large market share in public construction works.

industrial safety doors,farantin karfen harbin wuta,safety door jali design steel,security doors locks,

wuta resistant kofa manufacturer,industrial safety doors,Ƙofar tsaro ta ƙarfe biyu tare da kayan aiki, hotuna na kofofin aminci na katako don ɗakin kwana,safety door jali design steel,girman kofa,security doors locks,daidai karfe tsaro ƙofar, wuta rated kofa 90 minti, labeled kofa panel,

Ƙofofin katako mai hana wuta,industrial safety doors,Amfani da kofar fita na gaggawa, Wuta rated kofa ul, Wuta rated kofa mazaunin