Uncover the secret! The knowledge of cold doors and windows that people don't know when they are 0-99 years old

11-03-2023

Many friends may have some experience when purchasing aluminum alloy doors and windows. In the era of developed and transparent Internet information, most people will not ask the price at first, which leads to the phenomenon of being pitted. They know to pay attention to the wall thickness of aluminum alloy door and window profiles, glass materials, hardware brands, etc., but there is one aspect about aluminum alloy doors and windows, which many people may not understand, that is, the purity of aluminum alloy raw materials, Let's reveal the secret today.

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