12 kalibrli ichi bo’sh metall eshiklar, ichi bo’sh metall eshik qirrasi, ichi bo’sh metall eshik va ramka o’rnatish

Yong’inga qarshi eshik qulfi bo’lgan yong’in eshigi favqulodda ichki qismga eshikni ochish uchun surish chizig’iga etib borishi va bir vaqtning o’zida ichki qochish va tashqi o’g’irlikka qarshi funktsiyaga erishish uchun signal berishi mumkin. Yong’inga qarshi eshik qulfi jamoat binolarida odamlar oqimini nazorat qilish, ruxsatsiz va o’g’irlikning oldini olish uchun javob beradi.

12 kalibrli ichi bo’sh metall eshiklar, ichi bo’sh metall eshik qirrasi, ichi bo’sh metall eshik va ramka o’rnatish-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door

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