All you can do is check all the information about the supplier, use the details you have and search, you would have more help when you understand the product more, if the product is high on the sammers list like, Phones, Game machines, Laptops so you need to be more careful.
How long as the supplier been in business, where they have sold, you can get them checked by 3rd party.
See *this is a paid advertising site* for more help.