Yoo Sung Ent

Yoosung Enterprise Co., Ltd. manufactures and supplies engine and auto parts in South Korea and internationally. Its products include cast iron piston rings, stainless steel oil rings, cylinder liners, valve guides, and camshafts. These parts are used in automobile, marine, and agricultural engines for both assemblers and the replacement market. The company was incorporated in 1959 and is headquartered in Asan-si, South Korea.