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About Mitsui Seiki

Mitsui Seiki USA, Inc. operates as a fully-owned subsidiary of Mitsui Seiki Kogyo Co., Ltd., headquartered in Tokyo, Japan. The parent entity, established in 1928, holds the distinction of being Japan's pioneering producer of precision measuring instruments and, in 1938, became Japan's inaugural creator of ultra-precise machine tools. Over decades, Mitsui Seiki Kogyo has diligently preserved its heritage of precision craftsmanship, amassing a global standing for engineering the most unparalleled machine tools available in contemporary industry. Our product portfolio encompasses CNC horizontal and vertical spindle machining centers, featuring advanced 5 axis CNC (Computer Numerical Control), alongside jig boring and jig grinding machines, and CNC thread grinding machines. Distinguishing our machining centers is the fusion of robust cutting capability, uncompromising precision, and elevated operational speed. In recent years, we have strategically allocated our resources towards the progressive advancement of machine tool technologies, catering to critical sectors such as aerospace and defense, power generation, tool and die, and ultra-high precision components industries. This strategic focus has enabled us to become preeminent in the art of machining hard metals, a specialization necessitated by burgeoning demand. As a result, Mitsui Seiki boasts an unrivaled expertise in hard metal machining, including the intricate nuances of titanium grades, including the innovative TiAl material, now integral to aerospace componentry. Central to our operations, the flagship manufacturing facility located in Kawajima, Japan, meticulously erected in 2001, stands as a global exemplar of precision machine tool production. Every facet of this facility has been thoughtfully designed and meticulously executed to underpin the pinnacle of precision manufacturing. Crafting Excellence, Defining Precision... that's Mitsui Seiki.

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