We specialize in metal shafts, precision specialty parts, CFRP (Carbon Fiber Reinforced Plastic) pipe shafts, and non-ferrous metal shafts.By optimizing the manufacturing process, selecting the finest raw materials, and applying unmatched straightening, cutting, and centerless grinding techniques, we deliver high-quality products tailored to your needs.

Company Profile
Company

Message from the President

Thank you for visiting the official website of Suehiro Kogyo. On behalf of our company, I sincerely appreciate your time and interest.

Founded in 1964, our company now celebrates over 60 years of history. This legacy and our strong market presence have been built on the trust of our customers, earned through our unwavering commitment to quality and technological advancement since our inception.

Our founder began his career at a company manufacturing bicycle spokes. As an engineer, he envisioned the potential of centerless ground shafts for various applications. With this vision, he established our company, laying its foundation on innovative centerless grinding technology. He also instilled a core philosophy that emphasizes the importance of being “straight” in both our products and our management principles.

Guided by this philosophy, our company has grown to where it stands today, with our straightening technology recognized as one-of-a-kind worldwide.

As customer needs continue to evolve, we must adapt to meet these changing demands. However, our commitment to our founding principles remains steadfast. We will continue to pursue excellence in quality and innovation.

We appreciate your ongoing support and look forward to working together.

Nobuchika Nishi
President and CEO

Company History

1964Founded by Kaoru Nishi with long-length centerless grinding operations with a capital of 500,000 yen in Izumisano City.
1967Built a headquarters factory in Oji, Kaizuka City, Osaka.
1971Increased capital to 10 million yen.
1972Started production of telephone exchange machine bars.
1976Began production of main shafts for agricultural brush cutters.
1978Started polishing titanium materials for eyeglass frames.
1980Began production of mirror rods for copying machines.
1982Started manufacturing taper-grinded shafts for vehicle antennas.
1983Increased capital to 20 million yen.
1983Developed CFRP pipe shafts for brush cutters.
1985Began mass-production of CFRP pipe shafts for brush cutters.
1987Developed CFRP pipe shafts for various applications 
1989Increased capital to 30 million yen.
1990Registered the trademark of “Weston”, Suehiro original CFRP outer pipe
1992Moved headquarters and factory to the current location (7-13 Nishiki Minami-machi, Kaizuka City, Osaka; site area: 7,415㎡, building area: 5,370㎡).
1995CFRP pipes were selected by a leading textile company for use in precision spinning machines and remain in use to this day.
1999Obtained the “Weston” patent.
2003Certified with ISO 9001.
2004Started prototype production of rollers to transport large-sized liquid crystal panels.
2006Successfully commercialized ultra-long-length transport rollers for Japan’s leading manufacturer of liquid crystal panels.
2014Celebrated the 50th anniversary of the company’s founding.
2018Nobuchika Nishi became the President and CEO.
2024Celebrated the 60th anniversary of the company’s founding.

Access Map

Headquarters
7-13 Nishiki Minami-machi, Kaizuka City, Osaka 597-0094, Japan
TEL: 072-431-6121 (Main)
FAX: 072-433-3319

・About 5 minutes by car from the Kaizuka IC exit
・About 15 minutes by car from Kansai Internatioal Airport
・From Kaizuka Station (Nankai Railway), take the Mizuma Railway Bus and get off at Nishiki-Ground-Mae