The current standard for aluminum alloy door and window profiles "Aluminum Alloy Building Profiles" GB/T5237-2008, its alloy grades, supply status, chemical composition, mechanical properties, and dimensional tolerances should comply with the current national standard "Aluminum Alloy Building Profil......
Read MoreThe aluminum alloy door and window industry has broad development prospects in my country, and the market demand is huge. Aluminum alloy doors and windows are widely used in outdoor and indoor spaces of public buildings and civil buildings due to their high strength, rich surface treatment, high pro......
Read MoreThe aluminum alloy door and window industry has broad development prospects in my country, and the market demand is huge. Aluminum alloy doors and windows are widely used in outdoor and indoor spaces of public buildings and civil buildings due to their high strength, rich surface treatment, high pro......
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