As the result of high producing cost, quality aluminum windows and doors are generally more expensive than normal productions by 30%.
Just take the windows and doors made of 0.6-0.8mm thick aluminum as an example.
The strength of extension and yield strength are much lower than national standard, which can be really dangerous.
All in all, we should never risk our safe just for a little economic benefits. The quality should be the top factor to be considered.
AA is the abbreviation of Aluminum Association, which located in Arlington city of Virginia, USA.
It has committed to applied aluminum to automobile industry, packing as well as architecture as the best sustainable materials.
This association has gathered main aluminum producers, recyclers, producers of complete product sets and suppliers both in and outside America.
Providing the managing mechanism for the industry, this program helped many companies to reach the goal of environmental production, money-saving and social harmony. The membership has covered over 200 American factories who mainly produce for exporting.