The Pioneer of Japanese-Made Expander Rolls: Osaka Senshoku Machinery Co., Ltd.
We prioritize reliability and customer satisfaction, consistently delivering the best possible solutions.
Osaka Senshoku Machinery Co., Ltd. was established in February 1951 and continues to grow as a trusted partner in the industry.



The Professionals in Wrinkle Elimination
As specialists in wrinkle elimination for all web and sheet-like products using expander rolls, we provide innovative solutions.

High Performance and Durability
OS Expander Rolls boast exceptional performance and durability. To meet our customers' exact needs, we continuously pursue technological innovation to deliver the optimal products.

News & Updates
◆ September 2026
NEW
◆ June 2026
NEW
[Notice] Official Blog Launched: Discover the Advantages and Technical Insights of OS Expander Rolls
◆ March 2026
We will showcase our OS Expander Rolls at the 33rd National Skills Grand Prix.
◆ February 2026
◆ November 2025
[New Capability] We are now manufacturing RoHS-compliant and crystalline silica-free OS Expander Rolls.
