We sincerely thank you for your continued patronage of Nihon Seibutsu Kagaku Co., Ltd. and Nihon Kingaku Kenkyujo, Co., Ltd.

We hereby announce our year-end and New Year holiday schedule.

Last Business Day: Sunday, December 28, 2025
　　　　　　※Business hours will be normal.
Closed: Monday, December 29, 2025 – Monday, January 5, 2026
First Business Day of the New Year: Tuesday, January 6, 2026
　　　　　　※Business hours will be normal.

Please note that inquiries via telephone and other means will be handled starting at 11:00 AM on Tuesday, January 6.

We apologize for any inconvenience this closure may cause.
We sincerely appreciate your continued patronage in the coming year.