Originally Posted by
jiejie
The only appliance I can think of that a transformer might be needed are electric hair dryers/curling irons....get a dual voltage appliance before you leave or (for extended or repetitive travels in China or 220v countries), just pick up a single-voltage 220v appliance in China.
+1 on getting a single voltage 220v appliance.
My wife has tried dual voltage hair irons and dryers over the last 3 or 4 years and they seem to burn out easily and they are not cheap.
She ended up getting a single voltage 220v travel hair dryer and iron and that has solved all her problems.