Compared with wooden fire doors, steel fire doors have strong anti explosion impact capacity. In case of any accident, the steel fireproof door will not be damaged due to the impact of external force, thus protecting the property safety of indoor personnel. For example, large Class A fireproof doors shall be used in important places such as machine rooms and warehouses.

Varavaran’ny afo ZHTdoors, traikefa famokarana 31 taona amin’ny varavarana afo sy Windows. Ny UL lehibe varavarana afo, EN varavarana afo, BS EN afo varavarana, sns.