Aluminum square tube has the characteristics of light weight, high strength, corrosion resistance, good thermal conductivity, easy to use, various appearance and durable. This aluminium profile square tube is widely used in construction, transportation, electronic appliances and industry. Aluminum Frame Profiles Surface treatments: anodizing, electrophoresis, paint spraying, powder coating, transfer printing The thicknees of these Aluminum Tubes are 0.7-6.0mm. The color of these 6061, 6063 Aluminum Extruded Profile can be customized.