I am learning mandarin with my prefect teacher from mandarin garden,they also provide one-on-one online service.you can try it..Seems Mandarin Garden is really good,I live in Changning,Do they have center in that area?Can u give me the phone number or address?Yep, they have many centers in shanghai, here is the Changning center infor,Phone:862152589881Address:3rd Floor No. 1358 West Yanan Road,Shanghai