MaterialsJapanese parent dispatches over 100 engineers to revamp manufacturing at US firmU.S. Steel's Gary Works in Indiana. Nippon Steel has pledged billions in investment across the company's plants, including Gary. (U.S. Steel)NAOKI MATSUDA and AZUSA KAWAKAMIJune 18, 2026 02:01 JSTTOKYO/NEW YORK -- A year after Nippon Steel's hard-won acquisition of U.S. Steel, the Japanese company is grappling with the rebuilding of steel mills plagued with aging equipment and poor production quality that fails to meet standards nearly half the time.
One year on, Nippon Steel tackles 90-year-old equipment at U.S. Steel
Japanese parent dispatches over 100 engineers to revamp manufacturing at US firm
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