Thank you for visiting the Yoneyama website.
We have recently given our website a complete update to ensure an easier and more pleasant user experience.
The features and layout of the new updated site have been redesigned to provide easy access to each product information.
Viewing ease has been improved whether accessing the site from a PC, smartphone or tablet.
We will continue working to increase the convenience of the site. Thank you for your support.
YONEYAMA KAGAKU KOGYO KAISHA, LTD.