Teacher Li there came back from Japan and taught very well. You can find it in Google's "Teacher Li's Dance Blog".
You take bus No.700 in Xinzhuang and get off at Shuicheng South Road Station, which is very close.
600 yuan/12 class, learning authentic ballet, not figure ballet. . ?
Answer supplement:?
You can learn as long as you like, and there is no physical requirement.