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History

2021

  • 10Completion of registration as a representative of calcium oxide (quicklime) for “The Act on Registration and Evaluation, etc. of Chemicals”

2013

  • 01Distributor Contract for High Functional Absorbent (CaO)

2012

  • 10Distributor Contract with DONGJIN SEMICHEM CO., LTD. (Blowing agent)

2011

  • 11Established Vietnam office at Hanoi – Check the quality of quicklime
  • 04Distributor Contract with Air Products and Chemicals Inc.

2008

  • 12Acquired Certificate of Eco-friendly Building Material
    (DAEHYUN NCT Factory)

2007

  • 11Established SEWHA Warehouse and Logistics Co., Ltd. (Jecheon)

2006

  • 10Acquired ISO 9001 Certificate (DAEHYUN NCT Factory)

2005

  • 06Established DAEHYUN NCT Factory (Incheon)

2000

  • 06Established SEWHA CO., LTD. (Indent/Stock/Triangle Trading)

1995

  • 02Registered SEWHA business certificate

1994

  • 12Established SEWHA Logistics / Transportation (Jecheon)
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