The overseas registered trademarks you mentioned can get extra points when applying for brand booths, which is also one of the necessary items. The score is 1 points, with 1 point for each country.

If you apply for a general booth, it depends on the specific requirements of the Canton Fair in your province.

Therefore, the overseas registered trademark you mentioned is good for applying for a booth, but it can't play a decisive role.

And the booth in a good location you mentioned has nothing to do with the overseas registered trademark.