The experience start on 1953 under the logo Zanrosso on the field of automotive after sales service with the production of lathes for drums and discs for veichles. In the 1976 born Tecnodue company specialized on garage equipment like two post lifts and gas analyzer.
Year by year the product improve till became a world wide leader on machine tools for engines rebuilding, marine engines and railways engines.
In the next years AZ has grown as leader in the production of crankshaft grinding machines for energy, locomotive and marine field up to 12 meters length, sold all over the world 3000 crankshaft and rolls grinders and this permits AZ to be called "the crankshaft specialist".
On 2006 a new challenge. With the achieved experience AZ enter on the market of the special grinding machines especially for the aerospace.
AZ spa is a company with quality system ISO9001 certified by DNV GL.