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ENG Business
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- 2018.05
- LED Security lamp
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- 2018.03
- LED street lamp
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- 2018.04
- Safety tread plate for Railway platform
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- 2018.02
- LED tunnel lights / LED landscape lights / LED Floodlight
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- 2018.01
- Exhibition hall installation service
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- 2017.10
- Screen door for Railway platform
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- 2016.06
- Mock-up
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- 2015.12
- Traffic safety label / Road sign / Direction sign
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- 2014.08
- Designed fence
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- 2014.10
- Metal fence
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- 2010.01
- Display stand
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- 2009.03
- Bicycle storage
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- 2008.11
- Sculpture
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- 2006.06
- Bus platform
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- 2012.04
- Electricity Construction business
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- 2001.02
- Metal structure & Window system construction business
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- 2008.11
- Interior architecture construction business
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- 2012.04
- Patent No. 10-******
'Frame for bus shelter and bus shelter having the same'
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- 2011.07
- Patent No. 30-*******
'Bus platform'
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- 2009.12
- Patent No. 30-*******
'Bus platform'