... house,school,factory Aluminium Sliding Window1) Aluminum material: AL6063 or 6061 Temper:T5 and T6 AlloySiMgFeCuMuZnCrTiImpurityAlunittotal60630.20-0.600.45-0.9 ... wall, bicycle, stationery, construction, etc. We extrude the Aluminum profile, and assemble the Aluminum finished window & door. We would save the cost ...