CEO Message / Introduction
Thank you for visiting our website.
We were established in 1984 through a joint venture and technology alliance with TENNECO, a US manufacturer of world-class automobile engines and chassis components, and Yoosung Enterprise Co., Ltd., a domestic manufacturer of automobile engine components.
that satisfy the needs of our customers.

We produce pistons and piston-pins, which are core parts of automobile engines, and supply them as an OEM supplier to leading automobile manufacturers both domestically and overseas. We are recognized for our quality and technological excellence.
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Ansan Plant
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Ujeong
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Module Assembly
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Piston Assembly
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Federal-Mogul Dongsuh (Qingdao) Piston Co., Ltd