Jaun Cars is primarily engaged in the restoration, maintenance, and sale of vehicles, particularly US-American classic cars and motorcycles. The core activities include: restoration and maintenance of vehicles, including MFK inspections and tire changes; conversions and tuning of vehicles, especially US-American classic cars and motorcycles; sale of vehicles, including the brokerage of classic cars; service and repair of vehicles of all brands; conversion of motorcycles into Cafe Racers; and import and sale of spare parts from the USA and Europe.