Yong’inga qarshi eshik ramkasi odatda yong’in eshiklari bilan birgalikda ishlatiladigan yong’inga chidamliligi bo’lgan eshik ramkasini bildiradi. Yong’in sodir bo’lgan taqdirda, yong’inga qarshi eshik ramkalari va yong’inga qarshi eshiklar odamlarning yong’indan qochishi, yong’in tarqalishining oldini olish va yong’in tarqalishini kechiktirish uchun vaqt qozonishi mumkin. Shuning uchun yong’inga qarshi eshik ramkalari va yong’inga qarshi eshiklar yong’in sodir bo’lishida muhim rol o’ynaydi.

96 metal door,yong’in eshigi va oddiy eshik, yong’inga chidamli eshik tepish plitasi,steel door 600mm,metal gate 880,

yong’inga chidamli eshik ishlab chiqaruvchisi,96 metall eshik,yong’inga chidamli asosiy eshik, yong’inga chidamli eshik materiali,steel door 600mm,yong’inga chidamli eshik qalinligi, temir eshik x, yong’inga chidamli eshik 2 soat, yong’inga chidamli eshik 90 daqiqa,metal gate 880,

yog’och yong’inga qarshi eshiklar,96 metall eshik,metall eshik 36 x 80, yong’inga chidamli eshik ul, yong’inga chidamli eshik turar-joy