After introducing yourself through the analysis above, everyone may have a further understanding and understanding of energy-saving doors and windows. Of course, there are many energy-saving doors and windows products on the market in our country, and quality management is also developing unevenly. If you want to choose high-quality energy-saving doors and windows products, The purchasing skills are particularly important. What are the purchasing skills for energy-saving doors and windows? Let's take a look at the following introduction:
Energy-saving doors and windows purchase skills:
1. Look at the production quality:
There should be no obvious damage to the decorative surface of doors and windows. It means that the protective film on the surface of doors and windows should not have scratches, the colored surfaces of adjacent components on doors and windows should not have obvious color differences, and the surfaces of doors and windows should not have aluminum chips or burrs. , Oil spots or other stains, and there should be no spilled adhesive at the assembly connection.
2. Look at the material:
If it is a broken bridge insulated aluminum profile, the wall thickness of the main profile should be greater than 1.
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