Bullit, Mash, Mutt are brands exist on foreign markets, to sell China motorcycles o those markets. Similar job on polish market is doing Junak, Zipp, Romet, etc.
Idea to buy motorcycle from china on brand which doesn’t exist on polish market is not good idea, because here you will get problem with after sales support. Brixton and Mondial are brands which exist on polish market too, but have in Poland weak service support. Best idea is to buy motorcycle from international brand like Yamaha, Honda, Kymco, Keeway, because they exist in most European countries and it shouldn’t be a problem to service them in any country.