Astec Australia - ASTEC Australia Pty Ltd'Quality equipment backed by reliable service.' Astec Australia represents a number of Astec Industries Companies. We specialise in the design, engineering, manufacture and maintenance of a range of asphalt, aggregate and mining equipment used to build and restore the world's infrastructure. Our organisation sells and.aggregate crushing australia,aggregate crushing australia,HAZEMAG -HomepageWe are Hazemag. Backed by extensive history in product innovation, application experience and engineering excellence,. and boasting offices in Europe, North & South America, China, South Africa, Australia and India.