- 18
- Mar
aluminum alloy fire door,aluminium fire door,aluminium fire rated door
Dema parastina agir a deriyên agir 60/90/120min e. Deriyên agir bi gelemperî li deriyên agir ên darîn, deriyên agir ên pola, deriyên agirê pola zengarnegir, deriyên cama agir û deriyên deriyê agir têne dabeş kirin, gelo ew dar, pola an materyalên din in. Sê polên A, B û C hene.
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