... aluminium profiles, and PVC profiles. 1) For making windows and doors and curtain walls, to meet people's decoration effect. 2 ... ) Alloy state: 6060, 6005, 6061, 6063, 8005. 3) Temper: T5, T6. 4) Surface treatment: anodizing, powder coating, electrophoresis ... can made mould as required of customers. aluminium extrusion of sliding doors and windows