Motor Core

Motor Core Stamping

Mitsui High-tec provides high quality and low cost motor core products with complete global service from die design, fabrication and stamping manufacturing.

High Quality and Low Cost

Proven technology accumulated since our company foundation guarantees high quality and low cost for precision stamping dies and the MAC system which was developed in-house. MAC is a system that fuses motor core layers to complete each core product inside the stamping tool as they are stamped, eliminating the need for a separate process after stamping.
Mitsui's motor cores are used in a variety of applications from the high-precision 2.7 mm diameter micro motors of vibrators in portable phones, to the high efficiency and high output 300 mm diameter motor cores required by hybrid automobiles.

MAC System (Mitsui Automatic Core assembly system)

Global Network

The basic concept of “Manufacture close to customer”.
We are engaged in stamping production of motor cores not only in Japan, but also at our overseas production facilities in Thailand, Guangdong, Shanghai, Canada, and Poland.
This global supply network enables us to produce and deliver the right quantity of motor cores in the right place at the right time to meet our customers' needs.
Furthermore, we plan to establish a production base in Mexico and start mass production in September 2025.