aluminum tube: 2-Alloy:6060/6061/6063/6082/6005/6463/7003 etc T6/T5 are available 3-Length <=13 meters. 4.OEM aluminum tube:We have a wide range of products including:1. Alloy:6060/6061/6063/6082/6005/6463/7003 etc T6/T5 are available;2. Length <=13 meters3. Surface treatment: Mill, Anodized, Powder Coated, Wooden Transfer, etc4. Fabricator: cutting, millling, punch, stamping, drill, CNC, ...