1.name: Aluminium window and door profile 2.aluminium alloy6063,6061 3.certification: ... bronze, blue, green, or according to your requirementsMain ProductsAluminum window &door & Curtain wall, etcFeaturesEnvironmental protection, Energy-saving, High strength, ... window & door Alu.profile: AlloySiMgFeCuMnZn60630.48-0.490.63-0.65less0.250.171-0.172≤0.1≤0.1 Glass profile & Aluminium window and door profile ...