What to do to distribute goods in Russian Federation? Read it

At the moment, a lot of Polish businessmen are collaborating with foreign firms. We’re purchasing their products, to use it as component of our own work. Often, we are hiring some experts from this nearshore companies. But plenty of times, Polish businessmen are trying to distribute their goods outside our borders. we’re offering vehicles,factory’s elements to the French or English buyers. We’ve no problem with it, cause Poland is member of European Union after all. And what if we want to sell the same product in Russia?