Many contractors have recently been getting their first up-close looks at the Astec Continuous Blending Concrete plant, one of the latest developments in Astec's long history of innovation. Astec has been putting its 20 years of experience building concrete plants to work for the industry. This new plant–dubbed the Universal plant because it makes the whole range of concrete mixes–uses a powerful, 250-hp Astec Twin Shaft Mixer.