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About Maruni

About Maruni

Maruni Philosophy

Connecting a Society Where People Can Live Safely to the Future Connecting a Society Where People Can Live Safely to the Future

We incorporate our technology and commitment to quality into every small product we create, supporting the “everyday safety” that society often takes for granted.

Ensuring that tires continue to operate safely helps protect mobility, logistics, and daily life. These steady efforts help prevent accidents, conserve resources, and contribute to a sustainable society.

Supporting safety around the world from behind the scenes—this is our role. Maruni Industry’s technologies continue to work quietly yet reliably alongside roads and industries across the globe.

Our Capabilities

This diagram shows what Maruni Industry can do: production of many varieties in small lots, integrated manufacturing, color support, design for individual needs, rubber processing technology, dissolution technology, tire repair materials, various adhesives, lubricants, emergency repair materials, and more.

Processing technology equipment
- Rubber processing equipment
- Dissolution equipment
We handle all processes in-house—from mixing and pre-forming to molding, vulcanization, and finishing—under optimal conditions using our own equipment. We also perform the dissolution and mixing of various rubber materials and chemicals in-house under optimal conditions.
Design
- Rubber formulation design technology
- Adhesive design technology
We independently design a wide range of rubber materials and adhesives tailored to specific applications and customer requirements.
Adaptability
- Customer needs
We respond to our customers’ detailed needs and reliably achieve the required quality through optimal processes and conditions.

Our Products

Tube Repair

From bicycles to OTR tires, high-quality patches ensure safe and reliable tube repairs.
Outside Repair

For tubeless tires, punctures can be completely repaired from the outside using string plugs and strong adhesive cement, followed by vulcanization.
Inside Repair

From passenger cars to heavy construction equipment, a wide range of sizes for radial and bias tires enables complete internal repairs from the inside.
Conveyor Repair

We offer patches and adhesives for conveyor belt repair. In addition, our newly developed high-performance adhesive also supports endless splicing.

Products

Reliable Quality Chosen by Worksites Around the World Reliable Quality Chosen by Worksites Around the World

Maruni Industry’s products have been consistently selected worldwide, backed by the technology and quality cultivated in Japan. Today, they are exported not only across Japan but also to more than 60 countries.

Over 60
Countries Worldwide

Connecting Limited
Resources to the Future

In the postwar period, when materials were in short supply, we began our journey with a small product: puncture repair materials.
Repairing and reusing damaged items was a reliable way to conserve limited resources.

That spirit continues today and forms the foundation of our corporate philosophy: “Connecting limited resources to the future.”

By reducing waste through the value of repair and minimizing environmental impact, we believe these efforts will help create a society where future generations can live safely and securely.