• July 14, 2025

Leading Supplier of Custom Magnetic Cores for Power and Energy Applications Across Brazil At Coilcore, we specialize in delivering high-performance magnetic solutions tailored to meet the demands of modern power electronics and energy systems. As trusted transformer core manufacturers and suppliers in Brazil, we offer a wide range of precision components, including toroidal transformer cores, inverter transformer cores, and nanocrystalline cores, engineered for optimal efficiency and durability. Whether you're looking for a dependable partner among transformer core suppliers in Brazil or need custom solutions for instrument current transformer cores, common mode chokes, or reactor cores, we combine technical expertise with local manufacturing excellence. Our deep understanding of the industry allows us to serve diverse applications, from industrial automation to renewable energy and smart grid infrastructure. With a strong presence as magnetic core suppliers in Brazil, we are committed to supporting OEMs, system integrators, and engineers with products that exceed performance expectations and meet global standards. Partner with Coil Core to feel the power of precision and the confidence of quality and experience the difference with Brazil’s trusted name in current transformer and magnetic core solutions.

• December 05, 2020

Congratulations on the successful production of the ultra-low core-loss nanocrystalline core transformers for EV Charging project. Coilcore will always focus on green energy application with clients around the world.

• May 30, 2018

Warmly welcome clients visiting our factory again. We’ve cooperated since 2009 on nanocrystalline cores in electronic application, wish brighter future together of nanocrystalline core.

• December 29, 2009

As ISO9001 certificated factory, we walys in faith of "Innovation , Solidarrity, Enterprise", to provide the best quality products for the electronics industry development. We choose the high-performance magnetic core material strips produced by Baosteel, Wusteel, and Shoogang as raw material, from material selection, core winding, core heat treatment, sealing and VA control, final QC and labeling, to packaging and transport, the entire process of quality control procedures are strictly implemented to meet clients' different requirement.

• April 01, 2021

Congratulations on Coilcore's 2021 team vacation. It's our honor to work together, enjoy life together. We focus on skilled design of nanocrystalline core & current transformer, and we also enthusiasm of play together. #Coilcore, more than coil & core.