What is aluminum profile windows？

“Decorative iron gates and doors speak of an older, slower time. Real wrought iron is hand-forged in an ironworks, where the metal is heated and carefully formed into shape by a blacksmith. Each piece is a custom design, and no two are exactly alike. Forged iron is both durable and functional, but the process of hand forging is difficult and dangerous. Prices depend on the size of the piece, and the amount of embellishment required for the ornamentation. Wrought iron doors and fences can be embellished with bars, balls, posts, and pegs; or topped with jagged spear points for added security”.