• 2020's

    • 2022

      • 10.01

        Plant Construction was completed

    • 2020

      • 08.07

        Registered to Aekyung Chemical Co., Ltd.

      • 09.04

        Acquisition of the KS Q ISO 45001 certificate (System Korea Certification)

  • 2010's

    • 2019

      • 10.02

        Registered to Hankuk Paper MFG. Co., Ltd.

    • 2018

      • 03.15

        Registered to LG Chemical Co., Ltd.

    • 2016

      • 03.18

        Registered to LG H&H Co., Ltd.

      • 09.09

        Acquisition of the K-OHSAS certificate (System Korea Certification)

      • 10.24

        Registered to GS E&C Corp.

    • 2015

      • 08.04

        Registered to Foosung Co., Ltd.

    • 2014

      • 02.13

        Registered to Korea Petrochemical Ind. Co., Ltd.

        Registered to Isu E&C

    • 2013

      • 10.23

        Registered to Samsung BP Chemical Co., Ltd. (presently, Lotte Ineos Chemical Co., Ltd.)

    • 2012

      • 02.10

        Registered to Kolon Industries Inc.

    • 2011

      • 03.11

        Registered to LS Nikko Co., Ltd.

      • 07.14

        Registered to Samsung Fine Chemical Co., Ltd.

      • 08.26

        Registered to Rhodia Polyamide Co., Ltd

  • 2000's

    • 2009

      • 07.31

        Registered to LIG Ensulting Co., Ltd.

      • 11.20

        Registered to SK Construction Co., Ltd

      • 12.01

        Registered to KG Chemical Co., Ltd.

    • 2008

      • 06.05

        Registered to SK Energy Co., Ltd.

      • 06.16

        Acquisition of the ISO 9001 certificate (Korea Productive Center Quality Assurance)

      • 11.12

        Registered to Moorim P&P Co., Ltd.

    • 2007

      • 08.10

        Registered to Solvay Korea Fine Chemical Co., Ltd.

      • 12.27

        Name change to Daeryook Plant Co., Ltd.

    • 2006

      • 05.05

        Registered to Poongsan Corp.

    • 2005

      • 05.01

        Registered to KP Chemical Co., Ltd. (name change to Lotte Chemical)

    • 2004

      • 10.01

        Registered to Korea East-West Power Co., Ltd. (Ulsan Firepower Headquarters)

    • 2003

      • 03.10

        Registered to KOC Co., Ltd. (name change to Kum Yang Otsuka Chemical Co., Ltd.)

      • 03.25

        Registered to KEPCO KPS

      • 06.04

        Registered to Korea Southern Power Co., Ltd.

      • 09.01

        Registered to Gohap Co., Ltd. (name change to KP Chemtech)

      • 11.01

        Registered to Hyosung Co., Ltd.

    • 2002

      • 06.01

        Establishment of IJ Reinforcement & Repair Co., Ltd.

      • 09.01

        Registered to Capro Co., Ltd.

      • 10.01

        Registered to Hansol Chemical Co., Ltd.

        Registered to SK Corporation

      • 11.01

        Registered to Daekyung Krico Co., Ltd.