Ounuo doors and windows the quality is good, it adopts the soft combination of the inner and outer frames of the heat insulation profile, and the frame uses the three sealing forms of adhesive strips, which are tightly closed, with excellent air tightness, water tightness and excellent heat preservation performance, in addition, their doors and windows can realize the three-way sealing structure of doors and windows, reasonably separate the water vapor chamber, successfully realize the equal pressure balance of air and water, significantly improve the water tightness and air tightness of doors and windows, and achieve the effect of clean and bright windows, and inner frame straight material adopts hollow design, strong wind pressure deformation resistance and good off register resistance. It can be used in high-rise buildings and residential buildings. The product is good, waterproof, sound insulation and heat insulation are strong, soft, and the design is beautiful and unique. Compared with many brands, I finally chose ounuo doors and windows I am satisfied with the quality and workmanship, and the next house is the first choice for OU Nuo.
The doors and windows of this brand are good. The products of this door company are of good quality and cost-effective. Its products are suitable for large-scale industrial production, with low price ratio, light weight and convenient handling, the installation progress is fast. It can be made into complex sections and structures, and can carry out special adaptive transformation. It has been released for 4 years, and the quality is relatively stable. In addition, some early designs are unreasonable, and minor problems have been almost changed. It is the mature period. If it looks suitable, you can buy it.
To buy doors and windows, sound insulation and noise reduction, energy conservation and environmental protection, the k value of energy-saving doors and windows is 1.2w/㎡ · k, which can block heat into the room in summer, prevent heat loss in winter, keep the room warm in winter and cool in summer, reduce air conditioning usage, effectively reduce the attack of air conditioning diseases, reduce energy consumption, and reduce noise and noise.
