Hi, Our apartment is in the intersection of Binjiang Road East (Haizhu) and Shangou Lu in Guangzhou.

Are you mean Sahngdu Lu?
In bus stop Zhujiang Square (about 250 yards east to the intersection), you can take tourist bus No. 2.
To Zhongshan Balu Bus Terminal, you’d first walk along Shangdu Lu to the south to the crossroad. There you can take subway line 8 to Changgang, and then transfer to subway line 2, get off at the Railway Station, the bus terminal is in the west side of the railway station.