Getting in touch with Hamari

Contact JAPAN Head Office

Thank you for your interest in Hamari Chemicals. To learn more about our company and how we can help you to achieve your business’ goals please contact us today.

To call our head office in Japan dial +81-6-6205-7755 and talk with the International Department. We can also be reached by e-mail at

International Department
Hamari Chemicals, Ltd.
2-1-26, Kitahama, Chuo-ku, Osaka 541-0041, Japan
TEL +81-6-6205-7755
FAX +81-6-6205-7222


Hamari Chemicals USA Inc.

Hamari USA Inc. San Diego Research Center (SDRC), a subsidiary of Hamari Chemicals, Ltd. in Japan, specializes in near-sourcing R&D support for clients in the U.S. Our U.S. labs focus on reactions and route optimization, toll manufacturing, and up to kilo scale non-GMP manufacturing.

Visit Hamari USA’s Website