SJM

SJM makes flexible couplings, metal bellows components fitted to the front of a car's exhaust system to absorb engine noise, vibration, and road shock, improving ride comfort.

It also makes expansion joints, which are pipe-connection fittings used in buildings and industrial plants to handle heat-related movement and vibration. Listed on KOSPI, Korea's main stock exchange, the company supplies automotive parts through a global network of wholly or majority-owned production subsidiaries across South Africa, China, Germany, the United States, Malaysia, Mexico, Morocco, and India.