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2020's
- 2021.06 up to nowDelivered to domestic company more than 300 and exported to 14 countries in the world
- 2021.01Specified to promising export firm
- 2020.12Developed filter machine & hydro charging machine for KF-94 mask
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2010's
- 2019.01Developed knuckle for robot
- 2019.01Developed cycloid reduction gear
- 2018.11Products presentation and delivered high efficient compressing machine for waste styrofoam of fishing
- 2017.08Developed compressor for waste diaper film
- 2017.01Developed cutter by cam method for wire of fishing trap
- 2016.10Developed ingot machine for waste net
- 2014.12Developed screw blade forming machine
- 2014.11Developed compressor for wet styrofoam & fire retardant insulation
- 2013.05Developed large turn table for welding work
- 2010.02Developed crushing machine for waste styrofoam
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2000's
- 2009.05Certified by CE and UL
- 2008.06Delivered oil collecting system by waste EPS to KIMST
- 2007.03Certified by INNO-BIZ
- 2007.01QA certified in accordance with ISO 9001 & ISO 14001, developed commercial model of styrofoam recycling machine(capacity : 150kg/h)
- 2006.12Developed nonpoint pollution filter machine
- 2006.12Developed mixer of PU powder and binder of sounding insulation
- 2005.06Certified by environmental declaration of products
- 2004.04Developed commercial model of styrofoam recycling machine(capacity : 200kg/h)
- 2003.11HQ moved to present position developed commercial model of styrofoam recycling machine(capacity : 300kg/h)
- 2003.05Delivered recycling machine for PSP to HQ of korean army
- 2002.09Built production factory
- 2002.03Registered as a supplying company to korean government
- 2001.01Registered as a venture company
- 2001.03Changed to corporate company
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1990's
- 1999.04Developed turbo screw
- 1999.03Established SEHO Engineering