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BackKorea Zinc Hosts Tennessee Deputy Governor for U.S. Metals Refinery Project Discussion
Korea Zinc Hosts Tennessee Deputy Governor for U.S. Metals Refinery Project Discussion
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Yonhap News4/29/2026Business1 min readSouth Korea

Korea Zinc Hosts Tennessee Deputy Governor for U.S. Metals Refinery Project Discussion

Stuart McWhorter tours Onsan facility in Ulsan as part of 'Project Crucible' to build 13-metal refinery in Clarksville, Tennessee

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  • Korea Zinc, the world's largest refined zinc smelter, hosted Tennessee Deputy Governor Stuart McWhorter at its Onsan metals refinery in Ulsan to discuss Project Crucible, a planned U.S. metals refinery in Clarksville, Tennessee.
  • The company aims to break ground next year and begin producing 13 nonferrous metals from 2029.
  • McWhorter said the project will support Tennessee's economy and strengthen critical materials supply chains.

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SEOUL, April 29 (Yonhap) -- Korea Zinc Co., the world's biggest refined zinc smelter, said Wednesday Stuart McWhorter, deputy governor of Tennessee, visited its facility to discuss cooperation on a U.S. metals refinery project. Under the project, dubbed "Project Crucible," the company plans to break ground on a metals refinery in Clarksville, Tennessee, next year and begin producing 13 nonferrous metals from 2029. During the visit, McWhorter toured Korea Zinc's Onsan metals refinery in Ulsan, about 307 kilometers southeast of Seoul, and discussed potential collaboration on the U.S. project, the company said in a press release. The Onsan facility will serve as a model for the planned U.S. smelter. McWhorter said the Crucible project is expected to support the local economy in Tennessee, strengthen business ties between Seoul and Washington, and bolster supply chains for critical materials. He also serves as commissioner of the Tennessee Department of Economic and Community Development (TNECD). Korea Zinc said it has recently acquired a local zinc smelter and related firms, and plans to carry out the project by expanding and upgrading existing facilities.

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This article was originally published by Yonhap News.

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