According to customer needs, Chalco can provide aluminum alloy door and window profiles of various models, surface treatments, shapes, colors, etc. Contact us to start your one-stop shopping experience.
To give you an idea of how unreliable iron is, Bronze Age civilizations actually knew about iron. Iron is actually the fourth most abundant element in the Earth’s crust. It was just that iron was so prone to breaking that Bronze Age civilizations preferred bronze, an alloy of copper and tin, two much less common elements. The ancient Greeks would sail to Britain—literally going to England in a rowboat—to get the tin.