In different series of Zhongwang broken bridge aluminum 70 series Broken bridge aluminum doors and windows and 75 series the price difference between doors and windows is 40 yuan/square meter.
The price difference of broken bridge aluminum doors and windows is mainly caused by the different weight of aluminum profiles. For the same profile, the 75 series will be slightly heavier. This is because there are 10 seals for 70 series Broken Bridge aluminum windows and 12 seals for 75 series Broken Bridge aluminum windows. Due to the design of 2 more seals, two pairs of protruding slots are also added to the cavity structure design of profiles, which results in 75 series profiles being slightly heavier, on average, the price difference per square meter increases by 40 yuan.
70 series Broken Bridge aluminum doors and windows is suitable for Windows with a hole size of more than 1.2 m.
75 series Broken Bridge aluminum casement window large interval is suitable for owners who have large window sizes, especially large floor-to-ceiling windows and strong sound insulation requirements.
70 series and 75 series Zhongwang broken bridge aluminum, profile wall thickness is 1.8mm, sealed structure 75 series is slightly better. The price is not much different, 70 series 580 yuan per square meter, 75 series 620 yuan per square meter, you can choose according to actual needs.