| QUALITY MANAGEMENT SYSTEM SR EN ISO 9001 : 2008
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ENVIRONMENTAL MANAGEMENT SYSTEM SR EN ISO 14001 : 2005
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| OCCUPATIONAL, HEALTH AND SAFETY MANAGEMENT SYSTEM SR OH SAS 18001 : 2008
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SOCIAL RESPONSIBILITY MANAGEMENT SYSTEM SA 8000:2008
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| LAND RECLAMATION WORKS CERTIFICATE | |
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