MAR-MOT Sp. z o. o. started its activity in 1966 in Wrzesnia as a craft workshop. In the early years, the company provided general locksmithing and agricultural machinery repair services. The breakthrough date was 1982, when the company decided to produce piston rings for the automotive market. This set the direction for further activity. Today, MAR-MOT piston rings are used in passenger cars, agricultural tractors, industrial engines, compressors and hydraulic devices.