Catalytic Converters / DOCs

To reduce gaseous pollutants from internal combustion engines, HJS has been developing and producing application-optimized catalyst systems since the 1980s. HJS Catalytic Converters (DOCs) are available for passenger cars, commercial vehicles, industrial engines, mining machines, and off-highway applications. HJS offers solutions for the original equipment, the retrofitting of existing vehicles as well as for the spare parts trade.