Mitsui provides thin copper foils for fine pitch, mSAP, RF, and capacitors.

Mitsui Kinzoku’s Engineered Materials Sector provides advanced technologies and innovative products that support global industries. We offer high-value materials for electronics, automotive, and environmental fields. In electronics, our high-performance copper foils and materials are essential for smartphones, 5G devices, and high-speed, reliable communication systems. In the automotive field, our catalyst products enhance hybrid battery efficiency and reduce CO₂ emissions. We also develop recyclable and low-impact materials, promoting renewable energy use and contributing to a more sustainable society.