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事業概要（英語）

NOK Corporation manufactures, imports, and sells seal products, industrial mechanical parts, hydraulic and pneumatic equipment, nuclear power equipment, synthetic chemical products, and electronic and various other products in Japan and internationally. It operates through Seal Business, Electronic Parts Business, and Other segments. The company offers seals, including oil seals, O-rings, packings, and gaskets used to prevent the leakage of oil, liquids, and gases within machineries; vibration and noise control solution comprising dampers that reduce crankshaft vibration in automobiles and cen