View Larger Image Interseroh Certificate Resources SAVED 2017 Renewed certification of our company for 2017 – we conserve resources through recycling! You will find the corresponding certificate in the download area. SCHIWA PROFILE2024-09-15T21:28:21+02:00 Related Posts Renewed ISO 9001:2015 certification by TÜV Rheinland until 2026 25. July 2023 | 0 Comments Interseroh Recycling Certificate 2022 25. January 2022 | 0 Comments Interseroh Recycling Certificate 2021 19. May 2021 | 0 Comments Interseroh Certificate Resources SAVED 2020 10. May 2021 | 0 Comments