Production and Research sites
- QSIL GmbH Quarzschmelze Ilmenau, Ilmenau, Germany
- QSIL Ceramics GmbH, Auma-Weidatal, Germany
- QSIL Ceramics GmbH, Jena, Germany
- QSIL Ingenieurkeramik GmbH, Frankenblick, Germany
- QSIL Ingenieurkeramik GmbH, Sonneberg, Germany
- QSIL Nederland BV, Winschoten, Netherlands
- QSIL Metals Hermsdorf GmbH, Hermsdorf, Germany
- QSIL Metals U.K. Ltd, Calne, United Kingdom
- H.C. Starck Specialty Materials (Taicang) Co., Ltd., Taicang, China
- ROBU Glasfilter-Geräte GmbH, Germany
Certificates und qualifications
- DIN EN ISO 9001:2015
- DIN EN ISO 50001:2018
- DIN EN ISO 14001: 2015
- AMS Arbeitsschutz mit System
- FDA*** 84/500/EWG*
- Attestation of conformity regarding the hygiene suitability for drinking water products*
- Limits for ceramic foodware according to US-FDA, proposition 65 and DIN 51032*