History
2020
- January Obtained the certification of the excellent product from the Public Procurement Service for the valve chest designed to adjust the slopes and heights
2019
- December EQ Quality Certification
- September Q Mark Certification
- July Obtained the patent for the valve chest designed for easier adjustment of heights and slopes
2018
- December K Mark Certification
2017
- November Selected as the Excellent Invention by the Excellent Invention Promotion Association
- September KC Certification
- August Registered the anti-condensation valve room paten
- June Registered the height and gradient-adjustable manhole device for valve rooms.
- June Registered the elastic valve patent with an elastic means.
- March 2Won the 2017 Good Product Award for Water Korea Members.
- January Registered the support design for valve room pipes.
2016
- December Registered the valve room patent for which the hinge-type manhole cover connector is installed.
- December Registered the dust catcher patent with a screen protector.
- December Registered the height and gradient-adjustable manhole device for valve rooms.
- October Registered the manhole cover design.
- September Given the citation by the president (for quality innovation by small- and medium-scale enterprises).
- August Constructed the Busan factory.
- June Registered the sluice patient with a cleaning means.
2015
- September Registered the device design for adjusting manhole height.
- August Registered the member design for sluice valve boxes.
- August Registered the manhole design for valve rooms.
- July Registered the Valve Room patent for readily adjusting manhole frame gradient and height.
2014
- December Given a citation by the City of Gimhae.
- October Registered the Valve Room patent with an iron cover for valves.
- January Given a citation by members of National Assembly.
2013
- August Obtained the certificate for Good Products for procurement by Public Procurement Service.
- June Registered the cover design for manhole valve rooms (Small and Medium Business Administration).
- June Registered the pipe joint connector design for manhole valve rooms.
- May Certification performance from Small and Medium Business Administration.
2012
- October Established the affiliated R&D institute.
- September Obtained the manhole frame design for manholes
- February Obtained the certificate for single PPM quality.
- January Obtained the certificate for ISO 14001: 2004 EnvironmentalManagement System.
2011
- November Registered the anti-freeze bag design for water meters.
- August Registered the anti-freeze cover design for water meters.
- July Registered the height-adjustable device design for manholes.
- February Registered patent for the manhole frame for valve rooms.
- February Registered the height-adjustable pipe design for manholes.
- February Registered the manhole utility design for valve rooms.
- February Obtained the certificate for small- and medium-sized enterprises with innovative technology.
2010
- November Registered the Utility Model for anti-freeze water meters.
- October Registered the Height-adjustable Manhole Design.
- October Registered patent for the Height-adjustable Valve Room.
- August Registered the Height-adjustable Manhole Design.
- July Registered patent for the Height-adjustable Valve Room.
- July Obtained a certificate for enterprises specialized in parts and materials (Minister of Ministry of Knowledge Economy).
- June Obtained a venture company certificate (from Technology Guarantee Fund).
- March Registered patent for the Height-adjustable Valve Room.
2007
- July Obtained ISO 9001, KSA 9001 Quality Management System Certificate.
2006
- August Change of business address
- March Constructed a factory (in Hanrim-myeon, Gimhae-city, Gyeongnam
2005
- March Established D.K Metals.
2001
- April Established Hyundai Special Steel