It turns out that this is why they love the doors and windows of the upvc energy-saving system!

It is not easy to make a good door and window, and it is even more difficult to create a comfortable home space with excellent properties such as heat insulation, sound insulation, air tightness, and water tightness.
To achieve the "five-constant" comfort effect space of constant temperature, constant humidity, constant static, constant oxygen and Hengjie, it is necessary to meet the prerequisite requirements of doors and windows----system doors and windows

What is the difference between system doors and windows and ordinary doors and windows? 30-year decoration master said: System doors and windows are a perfect organic combination of performance systems.

What concept? System doors and windows need to consider a series of important functions such as water tightness, air tightness, wind pressure resistance, mechanical strength, heat insulation, sound insulation, anti-theft, sunshade, weather resistance, and operating feel.

Not only that, but also consider the comprehensive results of the performance of equipment, profiles, accessories, glass, hardware, and seals.

the above! Indispensable

Appearance of simple doors and windows
The inside is not simple
Because this is the real system door and window!