Aluminium extrusions are created by forcing the billets into predesigned moulds under high pressure to create cross sectional profiles. These are typically elongated pieces of aluminium custom designed for various industrial applications. India has a wide network of aluminium extrusion manufacturers. Here is a quick look at some of the best aluminium companies in South India. Aluminium extrusions are a versatile product that finds applications in a variety of sectors – construction, manufacturing and energy to name a few. These extrusions being lightweight, non-corrosive and strong are usually used as a part of extremely critical mechanisms. As such, their quality becomes of paramount importance.