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Company Database


about this company

Company’s website:


Yanagibashi First Building, 2-19-6 Yanagibashi Taito-ku, Tokyo 111-0052, Japan

Phone Number:


Fax Number:



60 (as of March 1, 2023)


JPY50 million

Introduction of your company & business:

1)Import and sales of fine chemical products and industrial chemicals

2) Import and sales of functional resins including rubber, polyurethane and plastics

3) Processing of the above materials and sales of processed products

4) Import, export and sales of machinery for manufacturing and processing rubber,

as well as for measurement and experimentation

5) Import, export and sales of packaging machinery

6) Agent for elastomer playground surfacing and similar


Since our foundation, we have maintained what we call our "Sanryoshugi", or motto, which calls on us to find ways of supporting our business partners and contributing to society, rather than simply seeking profit.


Heisen Group is a commercial organization dedicated to serving the rubber, polyurethane and plastic industries. The group includes Heisen Yoko Co. Ltd, an international trading firm, and H&K Ltd, a polyurethane system house.

Heisen Yoko was established in 1920 and made its name by becoming the first Japanese company to import and distribute organic rubber chemicals from Germany. Since then, we have strived to offer, unique, specialized products for a wide range of industries.

Key Products or Services:

We are heavily involved in design and molding technologies, offering various advanced products including raw materials, specialty additives, parts and completed goods, simulation software, testing instruments, process equipment, etc. We cover diverse fields of application, such as electric and electronic appliances, automotive, office and plant automation, construction, sports equipment, etc. We take great pride in our many years of partnership with the world's foremost suppliers.