Certification

    • MAN-ES(LGIP)

    • MAN-ES(LGIM)

    • MAN-ES(ME-GIE, GI-MK1, GI-MK2)

    • Corporate Research Center

    • Patent : arc welding device

    • Patent : : automatic welding device

    • Patent : Welding purge gas leak prevention device

    • Control method of patented welding device

    • Patent : pipe welding device

    • ISO9001 Certificate

    • KEPIC-MN Certificate

    • DNV Factory approval Certificate

    • Root technology specialized company Certificate

    • Root Enterprise Confirmation

    • Main Biz Confirmation

    • Innobiz Confirmation

    • Star company designation

    • Small business verification Certificate

    • Nuclear power company Certification