Law / NEED HELP for opening Wine distribution business in Poland [3]

I would like to open a "Wine distribution business " in Warszawa with imported wines from Makedonija . Since I am new here and I know nothing about rules and regulations of dealing/distributing/selling imported stuff especialy from country which is non-EU, does anybody knows where to obtain these informations and from other hand how to get in touch with potential clients . Any ideas,suggestions are welcome . Thanks a lot .