Arai Seisakusho The founder's spilits.

Arai Seisakusho The founder's spilits.

Technology of ARS.

To rise to the challenge of developing new materials based on the Technology for Motorcycle,F1 car. Our tireless mission is to innovate the technology to be utilized for development of new products and quality control.

Products Introduction

Rule the world with our technologiesAutomobile, Motorcycle

  • Oil Seals

    High performance with heat-resistant and wear-resistant properties.

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  • Valve Stem Seals

    Various type of lip made of resins and rubbers have great wear-resistant property.

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  • O-Rings

    Wide variety of O-Rings made of synthetic rubbers for the broad range of uses.

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  • Sprocket with rubber cusion

    Reduce the chain meshing noise

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Development of Technical ApplicationsNew material, New development

News

  • JUL 1, 2023

    We have declared a “SECURITY ACTION” (Two-Star).

  • MAR 11, 2019

    Our homepage has been revamped.

  • DEC 27, 2018

    Notice for year-end and New Year holidays.

  • JUL 4, 2016

    We have relocated our Kumamoto office.

  • FEB 29, 2016

    We have relocated our head office.