Generally, you can go to the bus station in the North Square of Shanghai Railway Station. It is best to call and ask the driver.
Bus schedule from Shanghai to Anqing: Shanghai Long-distance Bus Terminal--No. 1662, Zhongxing Road Departure time Arrival fare Vehicle mileage 07:10:00 Anqing 108 Jinlong 527 Shanghai Pudong Traffic Bailianjing Long-distance Bus Terminal--Pu South Road No. 3843 Departure time, arrival place, fare, vehicle type and mileage 11:30:00 Anqing 97 Yutong 534 Shanghai Bus Express Passenger Transport Hutai Passenger Terminal - No. 1015, Zhongshan North Road Departure time, arrival place, fare, vehicle type and mileage 05:50:00 Anqing 115 Jinlong 527 07:55:00 Anqing 97 Heke 527 11:45:00 Anqing 115 Jinlong 527 13:00:00 Anqing 119 Yutong 527 14:35:00 Anqing 119 Ankai 527 16:45:00 Anqing 119 Ankai 527 Shanghai Dongqiang Long-distance Chuansha Bus Station--No. 998, Miaojing Road, Chuansha Departure time Arrival fare Vehicle mileage 16:00:00 Anqing 85 Yaxing 554