| 2019 | - Relocated the head office (B207, A, 14 Sagimakgol-ro 45-gil, Jungwon-gu, Seongnam-si, Gyeonggi-do (Woorim Lions Valley)
- Relocation and expansion of Technology Research Center (218, 101, 1620, Bongyeong-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do (Yongtong Daewoo World Mark)
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| 2018 | - KS C 7716 Certification Change – LED Tunnel light -Less than 150W / Over 150W
- KS C 7712 Certification Change – LED Floodlight - Over 50W, less than 150W / Over 150W
- Acquisition of high efficiency energy equipment certification for 78 items
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| 2017 | - Relocated the head office (437, Sangidae-ro 237, Siheung-si, Gyeonggi-do (Industry-University Convergence Hall))
- Acquisition of new product high efficiency energy equipment certification (LED street light, security light, LED floodlight, LED indoor light)
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| 2016 | - Registered patent [2] trademark [3]
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| 2015 | - Acquisition of KS C 7716 – LED Tunnel light- Less than 150W / Over 150W
- Acquisition of KS C 7712 – LED Floodlight- Over 50W Less than 150W / Over 150W
- Acquisition of Q mark certification for solar power generation system
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| 2014 | - Registered as electric work business/ Registered as a renewable energy specialized company
- Registered as a partner of Daelim Industrial / Daekwang Construction Co.,Ltd / GA Construction
- Acquisition of K mark certification-LED street light/ LED security light / Mounting type LED light -15 types
- Group Standard Certification- Street light pole (steel, stainless steel) / Lighting tower
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| 2013 | - Registered as a partner of Hyundai E&C /Jungheung E&C
- Acquisition of INNOBIZ certification
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| 2012 | - Environmental sign certification-LED street light / LED security light / Mounting type LED light -8 types
- Expansion and relocation of KL Tech Gwangju factory
- Application and registration of Patent [4] / Utility model right [2] / Certificate of design registration [22]
- Acquisition of co-brand for excellent procurement (LUXCO)
- Direct production certificate – Renewable energy street light- Acquisition of hybrid street light
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| 2011 | - ISO 9001/14000 LED lighting equipment, street light pole, lighting control system
- Acquisition of high efficiency energy equipment certification
- Acquisition of KS C 7658- LED street light and security light - Less than 70W / 70~150W
- Acquisition of KS C 7658 -Mounting and fixed type LED light – 10~30W/ 30~60W
- Acquisition of KS D 3600 -Tapered steel street light pole- Mounting arm type / Square cross section / Round
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| 2010 | - Direct production certificate – Street light poles/ Street light / Downlight equipment, etc
- Venture company certificate (Korea Technology Credit Guarantee Fund) / Research center registration
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2009
| - Selected as an excellent product by the Korea Association For Photonics Industry Development
- Established KL Tech Haenam branch and 2nd factory
- Established KL Tech corporation
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