The fire door hinge is a component connecting the door and the door frame, which mainly supports the door body. The fire door hinge is non-toxic and has high fire resistance. In the simulated combustion test, it does not deform when the maximum temperature reaches 800 degrees, and has good fire resistance and fire resistance.

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.