لماذا تعتبر نوافذ الألمنيوم باهظة الثمن؟
02 Apr, 2021Wood-aluminum doors and windows are very popular nowadays, compared with other doors and windows, aluminum windows and doors can be described as the "aristocracy" of doors and windows. So, what is the difference between wooden aluminum doors and windows and other doors and windows? Why are you so "aristocratic"?1.Energy-saving type (thermal insulation). There is a professional term in the world of doors and windows: heat transfer coefficient K value (also known as conductivity coefficient or ins......