Code of Conduct for Suppliers and Declaration of Human Rights Code of Conduct(pdf, 1.68 MB) Declaration of Human Rights(pdf, 0.88 MB) EcoVadis Certificate EcoVadis(pdf, 0.1 MB) Chemie Hoch 3 certificate Chemie3 certificate(pdf, 0.5 MB) ISO Certificates ISO 14001(pdf, 0.2 MB) ISO 45001(pdf, 0.18 MB) ISO 50001(pdf, 0.18 MB) ISO 9001(pdf, 0.22 MB)