Know this information about thermal break aluminum doors and windows , so that you will never be pitted when you talk to the boss.
1. The profile material is not 6063 primary aluminum, don’t buy.
2.Second, the thickness of the door and window frame is less than 1.4mm, don’t use.
3. The material of the heat insulation strip is as long as the PA66 nylon heat insulation strip is not PVC, carefully about it .
4 .Double-layer insulating glass without 3C certification is not required.
5. The hollow aluminum strip is not integrally bent, not excellent.
6.Sixth, the window screen is not 304 stainless steel,it not the system window request.
If you can't remember, save it first, you will definitely use it later.
