© Office Y's Co. Ltd. 2009. All rights reserved.

On August 10, 2011, We changed user authentication system.

Therefore, our login page has been changed to http://greenchemical.jp/international/login.html

If you have any question about this change, please contact us at the following address.
Tanakaya Building 2F, 3-13-14, Chuo, Nakano-ku, Tokyo, Japan
Tel: 813-6382-6580Fax: 813-6382-6582
E-mail: info@office-ys.jpWebsite: http://www.office-ys.jp