Yong’inga chidamli eshik po’lat eshik bargi qalinligi uchta standartga, A, B, C ga bo’linadi va mukammal ovoz yalıtımı va issiqlik izolyatsiyasi ko’rsatkichlariga ega. Po’latdan yong’inga qarshi eshiklar kerak bo’lganda derazalar, panjurlar, shamollatish panjurlari va boshqalar bilan ta’minlanishi mumkin. Biz bilan maslahatlashish uchun xush kelibsiz.

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