... 6000 series 2. ISO certification 3.Usd for windows & doors 4. OEM Orders are welcome Aluminum profile 1.Alloy:6063,6060 2.Surface ... 4.Certification:ISO9001Aluminum profile:1.Alloy:6060,6061,6063,etc.2.Temper:T4,T5,T6.3.Suface treatment:Anodizing,Powder coating ... film or as requsted.6.Output:600 MT/Month. 6000 series