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| 1992.
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Launched PVC variant extruded (interior materials) manufacturing OEM: Naho Industry |
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| 1994. 03 |
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Established a plant in 1039 Jungli-dong, Seogu, Daegu (West-Daegu Industrial complex).
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| 1999. 09 |
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Plant movement in expansion to 2255-1, Bonli-li, Okpo-myeon, Dalseong-gun, Daegu. |
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| 2002. 09 |
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Produced and launched P.V.C wrapping doorframe. |
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| 2003. 04
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ISO 9001 Certified |
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| 2003. 05 |
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Established the second plant in 616-1 Ganglim-li, Okpo-myeon, Dalseong-gun, Daegu.
Produced ABS door doorframe processing and assembling facility, expanded wrapping machine, and produced ABS doors.
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| 2005. 08 |
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Changed the name of company to Nahotech (corporation established)
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| 2006. 02 |
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Changed the name of company to Nahotech (corporation established) |
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2006. 03
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SMBA (Small and Medium Business Administration) Technology innovation project appreciated successful.
(Project Name: development of environment-friendly interior materials)
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2006. 11
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Designated as a clean worksite (Ministry of Employment and Labor, Designation No. 31019)
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2007. 09
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Designated as a clean worksite (Ministry of Employment and Labor, Designation No. 31019)
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2007. 11
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Developed and launched a panel-type self-assembly PVC doorframe for the first time in Korea (registered as a utility model and design)
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2007. 12
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Registered the company brand name (Patent office)
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2009. 01
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Technological innovative small business (INNOBIZ) certified (SMBA) No. 9031-0203
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2009. 04
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KS certified (KS F3109, door sets) No. 09-0142 (Korean Standards Association)
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2009. 05
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Awarded citation by administrator of Small and Medium Business Administration (No.6175)
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2011. 06
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R&D dedicated division certified (Korea Industrial Technology Association)
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2011. 10
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Developed and launched a new product of ABS Three Interlocking Door
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2011. 11
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Awarded citation by Minister, Ministry of Trade, Industry and Energy
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2012. 08
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Patent registration (manufacturing of door’s vertical bar, etc)
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2013. 10
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Patent registration (doorframe manufacturing equipment)
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2013. 12
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Selected as a star-business in Goryeong-gun (Goryeong-gun, No.7)
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2015. 10
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New BI Development
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2017. 04
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Development of Building Bar Muvis Reinforcing
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2018. 01
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The introduction of the latest high-speed Rapping machines(Two Line)
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