... 3.Various colors available 4.ISO9001,SGS,ROHS Aluminium profile for window 1. Material: 6063,6061,6060,6005 or other2 ... angle bar, flat, square bar, T profile and U channel, special profiles,etc7. Certification: ISO9001,SGS,ROHS,GMC,TUV ... and high ductility aluminum profiles, to meet customers' different requirements. 9. OEM service available, customized design available Aluminium profile for window