With a hollow glass window is currently the best. Can be sound insulation, heat insulation. In the roadside can be a good isolation of the car noise.
Not the best, only better, I think aluminum package and broken bridge aluminum is better, of course, better.
Recommended the purchase of Philharmonic doors and windows, Jinyu Group is the second subsidiary.
Aluminum clad wood windows from the sound insulation, insulation, wind pressure, airtight, five aspects than the bridge aluminum pure wood package aluminum steel performance to be superior, of course, the price is slightly higher
