Yong’in eshiklari uchun yangi spetsifikatsiya – po’lat va yog’och yong’inga qarshi eshiklar po’lat va yong’inga chidamli yog’och materiallardan yoki yong’inga chidamli yog’ochdan yasalgan buyumlardan tayyorlangan. Bunday yong’in eshiklarining yong’in chegarasi 1.2H dan yuqori.

762 yong’inga qarshi eshik,mumbayda yong’inga chidamli eshik ishlab chiqaruvchilari,yong’in eshigi 762, yong’in eshigi 76,

yong’inga chidamli eshik ishlab chiqaruvchisi, uy uchun yong’inga chidamli eshiklar, yong’inga chidamli eshik,762 yong’inga qarshi eshik,metall xavfsizlik eshigi, yong’inga chidamli eshik standartlari, yong’inga chidamli eshik,yong’inga qarshi eshik 762,yong’inga chidamli eshik qulflari,76-dagi yong’in eshigi,

yong’inga chidamli, eshik bo’yoqlari,762 yong’inga qarshi eshik,yong’inga chidamli eshik Malayziya, metall eshik