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  • 2000년대
    2008. 11.
    Completion of zeolite molecular sieve factory
    2005. 01.
    Listed in KOSDAQ
    2002. 04.
    Completion of company building in Gangnam-gu, Seoul, Korea
  • 1990년대
    1997. 10.
    Completion of manganese oxide factory
    1997. 03.
    Selected as promising small and medium-sized enterprise
    1995. 09.
    ISO 9001 certified
  • 1980년대
    1988. 06.
    Completion of zinc dust factory
    1987. 10.
    Completion of zinc phosphate factory
    1986. 03.
    Completion of lithium bromide factory
    1985. 09.
    Foundation of Hanchang Industries, Co., Ltd.