| Certificates | 
                            
                    | Quality management ISO 9001:2015
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                    | Quality management IATF 16949:2016
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                    | Quality management EN 9100:2018
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                    | Environmental management ISO 14001:2015
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                    | Energy management ISO 50001:2018
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                    | Occupational Health and Safety Management System ISO 45001:2018
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                    | SAFE ENTERPRISE ILO-OSH 2001, OHSAS 18001:2007
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                | Approvals | 
                            
                    | Deutsche Bahn Manufacturer Related Product Qualification (MPQ) for the production of rail vehicle products
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                    | Deutsche Bahn Herstellerbezogene Produktqualifikation zur Fertigung von Produkten für Oberbau
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                    | ABS Certificate of forging facility and process approval
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                    | BUREAU VERITAS Recognition for BV mode II scheme
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                    | Korean Register of Shipping Approval certificate for manufacturing process
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                    | DNV Approval of material manufacturers
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                    | Lloyd's Register Group Approval of material manufacturers
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                    | TÜV Süd AD 2000-Merkblatt W 0; DGR 2014/68/EU, Anhang I, Absatz 4.3; EN 764-5, Absatz 4.2
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                    | TÜV Nord AD 2000-Merkblatt W 0, EN 764-5, Abschnitt 4.2
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                    | AEO C 131567 Authorized Economic Operator
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