1) Aluminium extrusion profile for window 2) Specification: max. Length-powder coat 12000mm, andized 6800mm 3) Alloy: 6063 6060 temper: t5, t6 4) Surface treatment: powder coat & anodized and &electrophoresis 5) Use: construction of window&door for household and factory Inner packing: plastic film Outer packing: wrapped with brown paper