Which kind of the chicken meat is the best for it (chicken legs or chicken breast maybe?)
Zhaliang (炸兩) is a kind of food in Cantonese cuisine of China. It is made by tightly wrapping rice noodle roll around youtiao (fried dough). It is most popular in the Guangdong province of southern China, as well as in Hong Kong.https://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License
For breakfast, it is usually eaten with soy milk or congee.
For dim sum, it is often sprinkled with sesame and layered with soy sauce. Other ingredients include hoisin sauce or sesame paste to the likes of tahini.