In the beginnings of the 21^st Century, our planet has become a global market. A businessman can not ignore this fact and consequently his business strategy must be open to the new international horizons.

To carry out the opening to new markets out of the borders implies many difficulties, not only for the misunderstanding (most of the times) of the language, but also for the different commercial usages and customs, the legal system, the customs formalities, the international transport, etc.