2005.07  Business license obtained

2005.09  DSD Foundation laying ceremony

2006.08  DSD Foundation completed

2006.09  Formally put into production

2006.11  ISO 9001:2000 certification obtained

2006.11  Nine class certifications obtained

2007.01  Quantity Production

2007.06  MAN B&W MBS supplier certification

2009.03  Samsung Heavy Industries Cable Lifter supplier certification

2009.11  Renewal ISO 9001:2008

2010.03  WCH MBS supplier certification

2010.11 Samsung Heavy Industries supplier certification

2010.11  MAN Cylinder Cover supplier certification

2011.07  DAEWOO MBS supplier certification

2012.09  Hyundai Industry MBS supplier certification

2012.12  METSO supplier certification

2014.05  Rolls-Royce Oy Ab supplier certification

2016.09 RS class certification obtained

2017.11 ISO 9001:2015 certification

2018.12 LIEBHERR supplier certification obtained

2020.06 NOV-BLM supplier certification obtained