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Kokubu Trading Corp.

About Us

Kokubu Shokai Co. Ltd. is a leading Exporter, Supplier and Trader of Recycling Scrap Tire and Rubber. Since 1976, we have been engaged in the domain of recycling Uncured Rubber Compound, Truck Tire, Bus Tire, Light Truck Tire, Passenger Tire, OTR Tire, etc. In addition, we also deal in Industrial Waste Collection And Transportation Business, Industrial Waste Treatment Business, Keeping Tire Service and Trade Business. With high end products and services, we have been catering the demands of more than 40 countries across the globe. Our business activities include:

  • Inspect fire fighting facilities as well as fire drills every month
  • Actual drained off of fire engine is conducted
  • Training of fire extinguisher is given
  • Cleaning of road between our factories is performed monthly
  • Check combustibles withdrawal
  • Other activities such as expansion of total quantity of treatment, fuel reduction, electric power reduction, extinction of mosquito, and oil leak prevention.

We adhere to the evaluation systems about the quality judgment of industrial waste disposal contractor laid by national government. We are an ISO140001: 1996/ "JIS Q 140001: 1996" and ISO140001: 2004" / "JIS Q 140001"registered company. We accept factory tour of the clients at any time to know about our attention to safety, environmental preservation and disaster preservation.

Our Journey To Success


Establishment of Kokubu Shokai by Isamu Kokubu and started transportation of second-hand tires to process


Started dispatching waste tires as cement manufacturing fuel to Nippon Cement under the union between Bridgestone, Kokubu and Nippon Cement. The company changed into a limited corporation


Installed an advanced tire cutting plant with other machines and facilities.


Export of recycled tire materials as well as used tires.


Developed the trade section in the head office for direct trading with overseas clientele in more than 20 countries


Established "Marque" Tsurugaoka tire retail shop


Added "Marque" Kumagaya tire retail shop at the headquarters site


Capital increased to 10 million yen


Capital increased to 20 million yen


Moved the tire shop to a site facing route 17


Attained a secondhand article trade license


Changed the position of the "Marque" Tsurugaoka tire shop to the south exit of Wakaba station


Capital increased to 32 million yen


Invested in the tire recycling Hokkaido Co., Ltd. and tied-up with them.


Changed to stock company with Kazuo Kokubu, the assigned president


Established Tokyo office in Shinbashi


Obtained ISO14001 with registration number of CR-E0266. Nirou Sina became the President and Representative Director


Achieved the license of industrial waste disposal facilities


Established the 2nd factory


Capital increased to 49.95 million yen. Attained special award from Saitama prefecture


Attained special award from Saitama prefecture.

Our Factories

We have developed 2 fully fledged factories to provide the clients with high quality products and services. Our factories are loaded with high end machines and tools to execute all the business activities on time and with perfection.

  • Headquarters Plant: Located over 20,790 square meters area, our headquarter plant helps us in crushing waste plastic (limitation on synthetic rubber), cutting waste plastic (limitation on synthetic rubber) and compressing waste metal (limitation on unavailable wheel). It has the following facilities: 
    • One unit of shaft crushing machine of 16.80tons./day
    • 1 unit of super big tire cutting machine (OTR) of 13.33tons/day
    •  4 units of big tire cutting machine (LT/TB) of 88.80tons/day
    •  3 units of small tire cutting machine (PC/MC) of 76.98tons/day
    • 2 units of cutting machine (PC/MC) of 19.75tons/day
    • 1 unit of beatless machine of 18.75 tons/day
    • 1unit of pressure facility machine to remove wheel (pre-processing machine) of 30.00tons/day
  • 2nd Factory: It is spread over 5,363 square meters area with crushing facility of waste plastic (limitation on synthetic rubber) with 2 units of shafts crushing machine ensuring 288.00tons/day.

Our Products and Services 

  • Recycling
    • Uncured Rubber Compound
    • Truck Tire (Casing & Used)
    • Bus Tire (Casing & Used)
    • Light Truck Tire
    • Passenger Tire (Casing & Used)
    • OTR Tire (Casing)
  • Industrial Waste Collection And Transportation Business
  • Industrial Waste Treatment Business
  • Keeping Tire Service
  • Trade Business

MARQUE- Our Retail Store

We have established a well equipped retail shop chain, MARQUE to serve our clients with quality solutions at affordable prices. The store has unique and outstanding supply networks to meet the demands of the clients through international trade. We are dedicated to provide complete satisfaction to every client, based any part of the globe. Our retail store helps in:

  • Sale of Tires and Wheels
  • Sale of new and used tires on retail and wholesale
  • Sale of car-related commodities on retail and wholesale
  • Technical services like breaking-up mechanical service

Our Green Farm

We also promote tree planting business to preserve environment. We have developed green farms including:

  • Sarahturf
  • Rubber chip/EPDM

We have loaded high end facilities in both farms to develop high quality products. Our farms are managed by expert and skilled professionals keeping in mind the norms of environment protection.

Packaging and Delivery Facilities

We own a range of spacious containers to pack the range safely and securely to ensure no quality degradation during transit. Our container range includes 104 units of 4 tons and 42 units of 10 tons. Moreover, we also possess 108 units of box containers.

In addition to this, we also have high end vehicles to transport the products array to the clients within the stipulated time frame. We have around 34 units of Delivery Vehicle including the following:

Container Type

10 Tons

3 Units

4 Tons

3 Units

Van Type

10 Tons

2 Units

4 Tons

3 Units

2 Tons

6 Units

Flat Type

10 Tons

1 Unit

7 Tons

1 Unit

4 Tons

10 Units

3 Tons

2 Units

Dump Truck Type

10 Tons

3 Units


We have gained the trust and confidence of a long list of clients, based in the global market. Some of our reputed clients are:

  • Bridgestone Co., Ltd.
  • Bridgestone Construction Tire Sales Co., Ltd.
  • Bridgestone Tire Saitama Sales Co., Ltd.    
  • Gunma BS Co., Ltd.
  • Bridgestone Tire Takasaki Sales Co., Ltd.
  • Bridgestone Tire Tokyo Sales Co., Ltd.
  • Bridgestone Trk Co., Ltd.
  • Dunlop Falken Kanto Co., Ltd.
  • Dunlop Falken Tokyo Co., Ltd.
  • Toyo Tire & Rubber Co., Ltd.
  • Toyo Tire Japan Co., Ltd.
  • Yokohama Rubber Co., Ltd.
  • Yokohama Tire Construction Machinery Tire Service Co., Ltd.
  • Yokohama Tire Kanto Sales Co., Ltd.    
  • Yokohama Tire Tokyo Sales Co., Ltd.
  • 600 Other Companies

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