Because...

...it has workers with high level of technical and professional training.

...it has a low level of analphabetic people.

...it is located in one of the most fertile farmland zones of the world.

...it has a very important port that guarantees safe, effective, operations and low cost for the export-import services, through an existing infrastructure as well as a very flexible communications network with the rest of the country.

...due to its geographic location, it is the hub of the bioceanic connection which links Río Grande with Valparaíso(Chile) and San Pablo(Brazil) with Buenos Aires.

...it provides direct access to a market of 200 million of consumers living within the MERCOSUR.

...the political-economic environment promoted by the national government, favors both business and investments. For further information about this point, click here.