In Songjiang University Town, you can take Songxin Line and get off at Xinzhuang subway station, then walk to the north square of Xinzhuang subway station, change to Xinji Line and Xinjiang Line and get off at Wu Jiaxiang Station, and then change to Hu Qing, Huqingying and Shangzhu Line opposite to get off at Outlet Station (get off at the conductor station).

Or you can take Rail Transit Line 9 at Songjiang University Town Station and get off at Yishan Road Station, and then take bus and transfer to Rail Transit Line 3 and get off at Shanghai South Station. After going out, change to the Shanghai-Zhuhai Line at Shanghai South Railway Station Square and get off at Aiteles Station.

PS: You should tell the conductor when you take these buses to the outlets.