Aluminum profiles for doors and windows are becoming increasingly popular in construction of resident, apartment,offices, schools, hospitals, retail stores, and other buildings. It offer many advantages over traditional wood and steel frames, including superior strength, better thermo insulation, and a longer lifespan. They are also more aesthetically pleasing, as they come in a wide range of colors and styles. Knilex has more than 12 years of aluminum profile extrusion experience. Except to self-research and development, we can also customize and produce aluminum profiles for customers according to customer needs. We are committed to providing customers with aluminum profiles with stable quality and reasonable price. Your satisfaction is our pursuit, please send us your needs, our products and services will definitely satisfy you. In coastal areas of the United States, buildings face extreme challenges from salt spray and humid climates. After surface treatment, the…