I am pleased - china is 220V 50Hz, Korea is 220V 60Hz, which means that my power supplies that work on 240V 50Hz should all do the trick. Korea has round pin plugs, china has three types one of which is the same as Australia, another the pair of parallel flat plugs and the third looks like the plugs used in England with big square prongs. The plan is to get a single multi-way adapter and then use a power board. It is a bit scary having to carry a power board when traveling overseas. I used one when traveling around Australia and it was a good thing.