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History

2012 - registered as a cooperation company of KOREAN AIR.
2010 - acquired CE Certificate (DMP 1/3HP, 1/2HP, 1HP, 2HP, 3HP, 5HP).
- acquired patent about Push Jack for welding work.
- acquired ISO 14001 environment certification system.
- acquired CE Certificate (A075, A11, B11 : Angle Punch).
- registered Design for Hydraulic Jack.
- selected as a INNO-BIZ (technical innovative business).
- developed small-sized electric hydraulic pump (6000series).
- established Research & Development Institute of Hydraulic tools and machines.
2009 - acquired CE Certificate (DMP4001, 4002, 4003).
- selected as a venture company by the government.
- selected as a CLEAN workshop by the government.
- registered Design of Screw Jack
2008 - registered as a cooperation company of STX Engineering Industrial.
2007 - renewed ISO 9001 : 2000 Certificate.
2006 - exported to Peru, USA, New Zealand.
2004 - registered as a cooperation company of SUNGDONG Shipbuilding Co.
2003 - selected as export promising company by the government.

- registered as a cooperation company of HYUNDAI SAMHO shipbuilding Co.
- exported to USA, Australia, and Vietnam.
2002 - exported to Russia, Indonesia, and Singapore.
- developed Ultra high-pressure Hydraulic Torque Wrench.
2001 - success of the development of low-weight electric hydraulic pump.
2000 - registered as a cooperation company of HANJIN Heavy Industrial.
- started development of low-weight electric hydraulic pump.
1999 - Busung oil pressure machinery + Daechun oil pressure machinery
  + Enerpred Korea Co., Ltd are merged and TONNERS (brand name) was created.
1997 - success of development of forging hydraulic punch (23, 44, 60, and 75 tons)
1995 - registered as a cooperation company of DAEWOO heavy industries.
- success of the development of hydraulic electric pump.
1992 - developed forging hand pump for the first time in Korea.
1987 - established oil pressure machinery shop.