First: you can go on a site visit, from the quality of service provided by the personnel, the provision of ingredients, the diversity of tastes, the amount of money in comparison, etc. I believe that there will always be a difference in the emergence of.
Second: consumer survey, after all, your snacks, catering, hot pot, risotto store is to face the public, so their consumer preferences are particularly important.
No matter which one, as long as it can bring you business opportunities and income, it is a good choice.