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2007.03.19 ÁÖ½Äȸ»ç ¼º±¤Å×Å© ¼³¸³
2008.11 ´ë¿ìÁ¶¼±Çؾç Çù·Â»ç µî·Ï
2008.11 ISO 9001:2000 Ãëµæ (Certificaiton No:AP-1366)
2009.03 »ï¼ºÁß°ø¾÷ ÇؾçÇù·Â»ç µî·Ï
2009.08 ´ë¿ìÁ¶¼±Çؾç Çؾ絵Àå Çù·Â»ç µî·Ï
2010.03 ASME STAMP "S","PP" Ãëµæ (°»½Å¿Ï·á2013.02.07) (Certification No.:100156)
2010.07 µÎ»êÁß°ø¾÷ Çù·Â»ç µî·Ï : "I"µî±Þ
2010.11 Certificate (ISO 9001 : 2008) / ISO 9001 : 2008 (°»½Å¿Ï·á 2014.9.18~19)
2011.10 Certificate (MAIN-BIZ) - °æ¿µÇõ½ÅÇü Áß¼Ò±â¾÷
2012.02 Certificate DNV Approval of pipe fabrication ship - °øÀå½ÂÀÎ(°»½Å¿Ï·á2015.02.04)
2012.11 Certificate (ISO 14001 : 2004)
2012.11 Certificate (OHSAS 18001 : 2007)
2013.11 (ÁÖ)¼º±¤Å×Å© 2°øÀå ¼³¸³
2013.11 (ÁÖ)¼º±¤Å×Å© 2°øÀå ISO 9001:2008 Ãëµæ
2015.12 ¢ßÆ÷½ºÄÚ °Ç¼³ Çù·Â»ç µî·Ï
2016.01 Certificate ASME Stamp (S, PP)-°»½Å(2016.1.26)
2016.01 BHI¢ß Çù·Â»ç µî·Ï
2016.01 Çѱ¹³²µ¿¹ßÀü(ÁÖ)¤ýÇѱ¹³²ºÎ¹ßÀü(ÁÖ)¤ýÇѱ¹µ¿¼­¹ßÀü(ÁÖ)¤ýÇѱ¹ÁߺιßÀü(ÁÖ)¤ýÇѱ¹¼­ºÎ¹ßÀü(ÁÖ) Çù·Â»ç µî·Ï