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

Hamari International Trading Shanghai

Hamari International Trading Shanghai is our business office in China to serve customers who are interested in reagents, solvents, intermediates and active substances manufactured in China. Our Shanghai office performs quality assurance duties to qualify Chinese suppliers.

Hamari International Trading Shanghai
Room 1801, No.228, Enterprise Plaza,
Meiyuan Road, Shanghai, 200070, China

Tel: +86-21-63809635
Fax: +86-21-63809715