Hansung Cleantech will advance from a company specializing in industrial water treatment to a global environmental company.

  • 2023

    Company listed on the KOSDAQ

    The company name was changed to Hansung Cleantech Co., Ltd.

  • 2022

    Establishment of a subsidiary in Vietnam

  • 2021

    Establishment of a subsidiary in Hungary


    Merged E&Water Solution Merged ECLEAN WATER

    Merged E&Water Solution

    Merged (Former) Hansung Cleantech Co., Ltd. by E&Co

    The largest shareholder was changed to JSI Company.

  • 2020

    Registered as environmental specialized construction business (atmospheric field) and specialized firefighting facility construction business

  • 2019

    Registration of general construction business of industrial and environmental facilities

  • 2018

    Registration of electrical construction business

  • 2016

    Obtained ISO 45001 certificaton

  • 2006

    Establishment of the research center

  • 2005

    Registration of overseas construction business (Water and sewage/ mechanical equipment/environmental pollution prevention facilities)

    Regeistration of Engineering activites

  • 1998

    Obtained ISO 9001 & ISO 14001 certification

    Establishment of E&co.

  • 1992

    Registration of construction business for Utilities, water and sewage facilities

  • 1991

    Registration of construction business for specialized environmental work (Water quality)

  • 1990

    Establishment of (Former) Hansung Cleantech Co., Ltd.