Mitsui Seiki Kogyo

From Gauge Blocks to Machining Centers.

In 1928, the company manufactured measuring instruments, including block gauges and micrometers. Mitsui Seiki's quest for "precision" had begun.

In 1935, the company developed our first medium sized “#4” Jig Boring machine to Japan’s delight. For many years the country wanted their own jig boring technology rather than importing it. They referred to it as Japan’s first “mother” machine because it was primarily used by other machine tool builders to make their critical precision components. It helped spark a fledgling machine tool industry in Japan. Since then, jig boring machines have become synonymous with the label “mother machines” worldwide.

Currently, Mitsui Seiki offers a lineup of machines extending from jig boring machines, jig grinders, horizontal and vertical machining centers, to 5-axis machining centers and screw grinders that support the world’s leading industries.

Finding fun in manufacturing itself through the processes of “manufacturing” and getting the pleasure out of the fact that the manufactured products are effectively used.

We believe that this is one of the supreme delights given to the humans by the God. In view of this sense of value, which may be called the human origin, MITSUI SEIKI has been making great efforts to share bigger delights with more people. Our products have been produced by a combination of our cutting-edge technology in both hardware and software, and the capabilities of each one of our high-level employees.

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