1.   ISO 9001: 2008 - International standard for quality management system. |
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2.   OHSAS 18001: 2007 - International standard for safety management |
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3.   ISO 14001: 2004 - International standard for environmental management system. |
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4.   ISO 10004: 2012 - International standard for customer satisfaction |
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5.  
ISO/IEC17025: 2005 |