Representative : Seung Bok Lee  
Capital : 500 Mil korean won(≒USD 450,000)
histories : May, 1995 foundation
    Jan, 2006 to convert into legal entity and to change company name into "Korea E.S. Tech Corp."
    May, 2006 patent registration for expansion spring of heat exchanger
    July, 2006 to register ISO9001 / 2000 / KSA9001 : 2001 design,
development, manufacture, service to acquire the certificate
BVQI/United Kingdom Accreditation Service
    Feb.2009 patent registration for High temp.gas heat exchanger
    July, 2009 Factory relocation
    Sept, 2012 Factory construction