Starting with Sun Sun Sponge,
 Thank you for your patronage of Dainichi Corporation products.

 In order to further improve customer satisfaction, the homepage of Dainichi Corporation has changed.
 The site was renewed on March 30, 2023.

 Due to the renewal, customer information registered on the old site has been transferred to this site.
 Please reset your password from the viewpoint of protecting your important personal information.

 *The password for the old site has been reset. Please note.
 
We apologize for the inconvenience, but we will send a separate e-mail with the subject "Customer Account Activation" to your registered e-mail address.
 Please access the URL listed there and proceed to reset your new password.

 If you have any other questions or concerns, please contact us by phone or through the inquiry page.

 We look forward to your continued support of Dainichi Corporation.