... aluminium profiles, and PVC profiles. 1) For making windows and doors and curtain walls, to meet people's decoration effect. 2 ... : T5, T6. 4) Surface treatment: anodizing, powder coating, electrophoresis, polish, wood grain, mill finishing. 5) Color: silver, champagne, bronze, black, golden ... can made mould as required of customers. aluminium extrusion of sliding doors and windows