Security Notice

Important Security Notice

SEIKA SANGYO GmbH has become aware of fraudulent inquiries using the name “Lange Richter” and the email address:

lange.richter@sieka-germany.com

Please note that “Lange Richter” is not employed by SEIKA SANGYO GmbH.

The domain “sieka-germany.com” is not owned, operated, managed, or authorized by SEIKA SANGYO GmbH.

Our legitimate company domain is:

seika-germany.com

We have received reports from external companies that business inquiries have been submitted in the name of SEIKA SANGYO GmbH using the above false identity and email address.

These inquiries were not submitted by SEIKA SANGYO GmbH.

If you have received an inquiry using the name “Lange Richter” or the email address “lange.richter@sieka-germany.com”, please take the following precautions:

• Do not reply to this email address.
• Do not share quotations, invoices, order details, payment information, banking details, customer information, or contact details.
• Do not add this contact to ongoing business correspondence.
• Do not rely on the domain “sieka-germany.com” as a SEIKA SANGYO GmbH contact.
• Please verify any suspicious inquiry only through SEIKA SANGYO GmbH’s official contact channels.

If your company received such an inquiry, we kindly ask you to delete or block the contact from your CRM or sales system.

If possible, please preserve the original submission details, including the submission date and time, form URL, submitted email address, submitted phone number, source IP address, User-Agent, and referrer.

SEIKA SANGYO GmbH is taking steps to report this impersonation activity to the relevant domain provider and authorities.

Thank you for your cooperation.

Last updated: 23 July 2026