I guess I should first preface my answer by saying that I am in no way, shape, or form a tax expert. I need to say that up front.
The free trade zone I made reference to, as far as my understanding goes, is a free trade zone from a manufacturing standpoint. I am not personally in a position to comment on any trade policy connected with it. It's a free trade zone in the same way the United States, as an example, has free trade zones, where manufacturing can take place in a duty-free type of zone.