For high strength framework,It is stable and graceful Aluminium profile details: Materials6063, 6063A, 6061TemperT5-T6CertificationsISO9001, ISO14001Length4.5-6.02mSurface treatmentOxidized, ... , mechanical polishing ,etc;3. Packing: Plastic film and craft paper wrapping, or wooden cratesTPM aluminum profile is of great compatibility with 6mm , 8mm ...