Korea has unfair trade practices. They can dump cars and machine tools in to th US at a loss and the government pays companies the difference.
"Korea also maintains a tariff quota system designed to stabilize domestic commodity markets. Customs duties can be adjusted every six months, within the limit of the basic rate, plus or minus 40 percent
Korea has a flat 10 percent Value Added Tax (VAT) on all imports and domestically-manufactured goods. A special excise tax of 10-20 percent is also levied on the importation of certain luxury items and durable consumer goods. Tariffs and taxes must be paid in Korean Won within 15 days after goods have cleared Customs. ">