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Business policy

Message from the President

Aiming to become a

Since its foundation in 1929, Sumitomo Riko has delivered high added-value products to the world by fully grasping the direction and market needs of the times and steadily expanding into new business areas, from automotive products to industrial products.
On October 1, 2014, we changed the company name from the longstanding "Tokai Rubber Industries, Ltd." to the current "Sumitomo Riko Company Limited," a big transformation with the aim of building a world-class brand.


Focusing on the core competencies of "polymer materials technology" and "comprehensive evaluation technology" we have accumulated over many years as a monozukuri company, we will adhere to the Sumitomo Spirit of "integrity and sound management" and "no chasing easy gains", and continually address "safety, environment and compliance (S.E.C.)" in order to grow into a "Global Excellent Manufacturing Company," that is, "the company that contributes to safety, security and comfort of human, society and the earth."
We hope that we can rely on your continued understanding and support for our company's business activities.

Chairman of the Board Y.nishimura President Tetsu matsui

The Sumitomo Spirit

Business Principles

  • 1. Sumitomo shall achieve prosperity based on solid foundation by placing prime importance on integrity and sound management in the conduct of its business.

  • 2. Sumitomo’s business interest must always be in harmony with public interest; Sumitomo shall adapt to good times and bad times but will not pursue immoral business.

*Quoted from the Sumitomo Goshi Kaisha Administrative Regulations formulated in 1928

The Sumitomo Riko Group Management Philosophy

In light of the Sumitomo Spirit, all of us at the Sumitomo Riko Group will:

  • 1. We will provide superior products and services to meet customer needs based on technological innovation.

  • 2. We will place top priority on safety and work to ensure the safety of people and society.

  • 3. We will strive to protect the global environment and to contribute to creating better communities.

  • 4. We will maintain a high standard of corporate ethics and observe all laws and regulations to earn public trust and confidence worldwide.

  • 5. We will foster an invigorating corporate culture that respects our employees’ diversity, personal qualities, and individuality.

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©Sumitomo Riko Company Limited 2013.