Suehiro Kogyo Certified for World-Class Quality
On March 20, 2003, the company was awarded the ISO 9001 certification from LRQA, recognizing the quality of its entire manufacturing process, including the production of precision metal parts and the design, development, and manufacture of FRP shafts and pipes.
Reasons to Partner with Suehiro Kogyo
The true value of "exceptional quality" becomes apparent only when you experience it firsthand.
“We don’t need this level of precision for this application…”
This is a common remark made about Suehiro products.
However, the true worth of this “exceptional quality” can only be understood through use. For instance, even if the central shaft of a precision machine is highly accurate initially, it will gradually deform over time due to wear and aging. After a few years, the machine’s performance will noticeably degrade compared to when it was first used.
In contrast, Suehiro shafts exhibit superior shape retention, significantly reducing the effects of aging and ensuring the machine’s reliable performance over the long term.
Suehiro Products: Resistant to Bending and Deformation
After a year of use, the true quality of Suehiro products becomes clear. This is why we receive overwhelming trust and support from users worldwide who rely on Suehiro products for their shafts.
To preserve quality until delivery, Suehiro Kogyo takes great care in packaging. For every product, we customize boxes based on quantity and length to optimize space. Products are bundled to maintain post-shipment integrity. For steel products, we apply rust inhibitors to prevent corrosion during transit. Our strict quality control process begins with raw materials and continues through to the final customer delivery.
Point.01
Straightforward Company with Straightforward Products
If we were to describe Suehiro Kogyo in one phrase, it would be “a straightforward company.”
Suehiro’s core products, including roller shafts and drive shafts for brush cutters, are known for their exceptional straightness. We specialize in creating products with unparalleled precision.
Our unique technology enables us to achieve a straightness of 0.05–0.1mm per 1000mm, even for long-length products. This consistent achievement results from our commitment to continuous improvement and defines both our company and the products we offer.
As a result, we have earned the reputation of “Suehiro, the company of technology” over the years. Suehiro-branded products, such as glass substrate transport shafts for LCD factories and drive shafts, are a testament to our dedication to precision and innovation.
Point.02
Over 60 Years of Trust in "Suehiro Quality"
Founded in 1964, Suehiro Kogyo has built a legacy of excellence spanning over 60 years (as of 2025). Over this time, we have adapted to significant changes both within Japan and internationally, consistently meeting the evolving demands for quality.
Our commitment to two core principles has remained unwavering: “Made in Japan quality” and “Technological innovation rooted in Japan’s manufacturing spirit.”
While many companies have outsourced production overseas to cut costs, Suehiro Kogyo has stayed committed to domestic manufacturing. This focus has allowed us to maintain a strong presence in both local and international markets, a testament to our unwavering dedication to superior quality standards.
As global trends shift towards reshoring manufacturing, Suehiro Kogyo has always embraced the advantages of Japanese production. We will continue to leverage these strengths to deliver products that reflect the best of Japan’s manufacturing capabilities.
Point.03
Manufacturing That Contributes to Society
At the core of our manufacturing philosophy is the drive to create innovative solutions or improve existing ones, with the aim of benefiting society and enhancing the lives of many. Since its founding, Suehiro Kogyo has been committed to developing products that serve others and bring their happiness. Suehiro-branded products address challenges across various industries, enriching people’s lives through practical and impactful innovations.
The drive shaft for brush cutters, one of our flagship products, plays a crucial role in the quality of straightness. Any distortion or deflection can lead to severe vibration. Excessive vibration is a common issue faced by professional operators, often leading to a condition known as “wax disease.”
Suehiro Kogyo has successfully minimized brush cutter vibration through precision-engineered shafts with exceptional straightness.
