... window and door profile 2.aluminium alloy6063,6061 3.certification:ISO9001,High quality 4,OVER 10YEARS We are professional manufacturer for aluminum profiles ... black, bronze, blue, green, or according to your requirementsMain ProductsAluminum window &door & Curtain wall, etcFeaturesEnvironmental protection, Energy-saving, High ... 172≤0.1≤0.1 Glass profile & Aluminium window and door profile 6063