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Sumitomo Electric establishes a manufacturing subsidiary in Mexico for high-functionality electric wires
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The subsidiary will be focused on the manufacturing of tab leads for automotive lithium-ion batteries, as well as high-functionality and high heat-resistant electric wires.
Sumitomo Electric Industries, Ltd. has established Judd Wire Mexico, S.A. de C.V. (JMEX), a subsidiary focused on the manufacturing of tab leads for automotive lithium-ion batteries, as well as high-functionality and high heat-resistant electric wires.
On September 14th, an investment project announcement ceremony was held by the Economic Development Bureau of the state government of Aguascalientes, Mexico, at the building of the state government, where Sumitomo Electric announced the establishment of JMEX and its business plans.
At the ceremony, the governor of the state, María Teresa Jiménez Esquivel, said “I am very pleased that 300 jobs will be created. Our state was selected for its good public safety, and we will continue to make further improvements in the future.” Manuel Alejandro Gonzalez Martínez, Secretary of Economic Development, Science and Technology, said, “We will support JMEX recruitment through our job fair and other means.”
The establishment of JMEX is attributed to the significant demand for high-functionality electric wires and wiring materials expected in North America due to the advancement of CASE in the automotive and mobility fields. The company aims to contribute to the advancement of CASE and increase its presence in the North American market.
The plant is scheduled to start operations in June 2025.



