The steel fire door has a variety of different opening operation modes, and also has a variety of professional functions, which can be effectively closed or isolated. The steel fireproof door has heat, sound, dust and theft, and can be installed and used in various environments.

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.