Serie a is fixed:
Class b fixed
2 hours is fixed:
Half a broken bridge fixed fire detection window:
Half a broken bridge fixed fire detection window - have foam:
Half a broken bridge fixed fire detection window:
Half a broken bridge fixed fire detection window:
The broken bridge fixed fire detection window:
Half a broken bridge fixed fire detection window:
Broken bridge fire detection window:
Fire activity detection window:
Half middle-east activity fire detection window:
The middle-east activity fire detection window:
Half a broken bridge fixed fire detection window:
Half a broken bridge fixed fire window after the inspection, the fire surface:
After half a broken bridge fixed fire window detection - the fire surface:
Half middle-east activity fire detection - activity window closed:
Half middle-east activity fire detection, casement window closed:
Half middle-east activity fire detection, casement window closed:
Activities after fire window detection by the fire side:
China's national mandatory product certification 1
China's national mandatory product certification. 2
China's national mandatory product certification. 3