Aluminum profiles are made of a combination of aluminum, silicon, magnesium and other metals. This combination gives them superior strength and durability compared to traditional materials. Aluminum windows and doors also provide excellent insulation, keeping your interior cool in summer and warm in winter. This helps reduce energy bills. They are lightweight and easy to install, making them ideal for DIY projects. Knilex has more than 12 years of experience in aluminum extrusion, and has developed more than 50 series of aluminum profiles for doors and windows, can provide customers with customized production of profiles as well. Please send us your needs, our products and services will definitely satisfy you. Service we provide 1. Professional technical support in product design stage 2. High-precision mould making 3. Sampling for customer's confirmation 4. High quality aluminum profile extrusion 5. Rigorous and objective QC inspection with inspection reports 6. Meticul…