I've been to Chung King twice. Both times I tried a variety of dishes and found all the food (especially their crispy beef) to be very delicious. The prices are very reasonable as well.
My favourite part of Chung King is the service. I'm not used to going to a Chinese restaurant and getting good service. The atmosphere is calm, the staff is very friendly, I don't have to ask for my glass to be filled with water. This is stark contrast with almost all other Chinese restaurants in Toronto in my experience.
I will continue to go back as I've enjoyed both visits immensely.