This tube is made of 6000 series aluminum alloy,widely utilized in many fields. detail product description:Aluminum profile for industry, decoration, window and door1 surface treatment: mill finish, powder coating, anodized, drawbench and so on.2 various in size, shape, style and so on3 high quality: China national standard (ISO9001:2000 certificate)4 material:6061 6063 6463 or different aluminum ...
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