Sureface treatment: Mill finished, Anodized, Powder Coated, Wooden transfer, etc. Alloy: 6060, 6005, 6061, 6063, 6082 etc Aluminum pipe : 1.Standard: GB/5237.2-2004. etc 2.Extruder: 23 sets including 5500MT extruder.We are major in aluminum pipe :1. Extruder: From 600MT to 5500MT, the maximal section width 500mm;2. Length <=13m width: 15cm length:40 cm3. Sureface treatment: Mill finished, ...