EF is the largest training institution in the world, and also the English training institution for the 2008 China Olympic Games.
EF Dongguan's school is in Cheng Nan, get off at the west of the administrative center, just opposite.
But the disadvantage is that the tuition is expensive. The tuition fee for two hours a night is about 100 yuan, two classes a week, plus the book fee, and the monthly fee is about the same as that in 800 yuan. See if you want to try.