Occupational health and safety assessment series OHSAS 18001:2007
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Mechanical pulp production plant | Production of mechanical pulp was certified on 10.12.2009. |
| Sawmill and carpentry Mrkopalj | Production of sawn wood and wood elements certified on 10.12.2009. | |
| Sawmill Vrata | Sawn wood production certified on 10.12.2009. |
Quality Management System ISO 9001:2000
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Mechanical pulp production plant | Production of mechanical pulp was certified on 15.06.2003. |
| Sawmill and carpentry Mrkopalj | Production of sawn timber and wooden components certified on 15.06.2006. | |
| Sawmill Vrata | Sawn timber production certified on 15.06.2006. |
Environmental Management System ISO 14001:2004
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Mechanical pulp production plant | Production of mechanical pulp was certified on 29.11.2005. |
FSC COC
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Mechanical pulp production plant, sawmill and carpentry in Mrkopalj, and sawmill in Vrata | Certified on 19.11.2006. |



