When it comes to procurement used machinery from Korea, you can cooperate with the Best selection via KOMAXMachinery.
KOREA MACHINERY AUCTION & EXCHANGE CO., LTD.

KOMAXMachinery was established by the joint powers of the government(MINISTRY OF TRADE, INDUSTRY & ENERGY), KOREA association of machinery industry, and MACHINERY FINANCIAL COOPERATIVE for the "Accelerated advancement of machinery distribution and export"