Welcome to Corefficient’s Knowledge Center, a resource for information and helpful videos about transformer core manufacturing.
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Corefficient is based out of a state-of-the-art facility in Monterrey, Mexico. We’re a premiere transformer core manufacturer committed to adding value to our transformer core products. Part of the National Material L.P. family of companies, Corefficient specializes in the fields of core engineering, transformer core design, magnetic core expertise, cold rolled steel, grain oriented steel, electrical steel, and – most importantly – customer service.