suggest bus numbers and bus timings to pearl river from jinjie road, dongguan

You can walk along Taisha Road to reach Jinzhou Bus Stop to take bus No. 118 to reach Nancheng Bus Terminal where you can find many buses for Guangzhou Haizhu Bus Terminal. Take them to reach Haizhu Bus Terminal.
Upon reach Guangzhou, you can go to Nanzhou Station to take subway line 2 to reach Haizhu Plaza. Get out of the station and then you can walk along Yanjiang Middle Road to reach Tianzi Cruise Port to take ferry.
Hope these information is useful for you.