| IRIS certification | ZKL IRIS certification |
| Type examination certificate: Axle bearing for railway vehicles type PLC 410-33.2/34.2 | ZKL PLC 410-33.2 34.2 |
| Certifikát ISO 9001-2008 - ZKL, a.s. | ZKL ISO 9001-2008 |
| ISO 14001:2015 Research, development, testing, technical-consulting services, mechanical cutting, forming, welding, surface treatment of metalloid components, roll bearings and special type bearings. Design and production of tools and forms. | ZKL ISO 14001 2015 |
| Quality Management System Approval: The axle bearing for railway rolling stock type PLC 410-13.2/14.2 | ZKL PLC 410-13.2 14.2 |
| Quality Management System Approval: The axle bearing for railway rolling stock type PLC 410-15.2/16.2 | ZKL PLC 410-15.2 16.2 |
| ISO/TS 16949:2009 Production of roll bearings for automotive Industry | ZKL ISO TS 16949 2009 |
| Type Examination Certificate: The axle bearing for railway rolling stock type PLC 410-13/14-2 | ZKL PLC 410-13 14-2 |
| Type Examination Certificate: The axle bearing for railway rolling stock type PLC 410-15/16-2 | ZKL PLC 410-15 16-2 |
| Research, development, testing, technical-consultation services, mechanical machining, forming, welding, surface treatment of metal components, rolling and special bearings. Design and production of tools and forms, inclusive press forms- EN ISO 9001:2008 | ZKL EN ISO 9001 2008 |
| Rolling bearings for railway vehicles as per the Catalogue of Spherical-Roller Bearins and Special Bearings as amended, published by ZKL Brno, a.s. Special axle bearings as per the approved technical conditions TPF ZKL 11466-02 as amended. | ZKL TPF 11466-02 |
