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Last updated: October 2026

Information according to § 5 DDG (German Digital Services Act)

Service provider

Dong Yang

Sagmal is a product of DS Software.

Thulestr. 15 13189 Berlin Germany

Contact

Responsible for content under § 18 (2) MStV

Dong Yang Thulestr. 15 13189 Berlin Germany

Dispute resolution

The European Commission provides a platform for online dispute resolution (ODR): EU Online Dispute Resolution platform. We are neither obliged nor willing to participate in dispute resolution proceedings before a consumer arbitration board.

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