... ,tempered,Low-E, etc 1.PVC fixed window+tilt and turn door 2.Size:1800(W) X 1800(H)mm3.Profile ... can be put inside of the double glass.9.Steel reinforcement enhances the performance10.Energy saving11.International standard quality12. ... Function:air permeability, water tightness, consensation resistance, anti-freezing, fire-resistance, burglar-proofing, sound insulation, good maintenance.etc.Welcome to ...