Dear Ian,
Greetings from Sophie, Top China Travel!
Thank you very much for your enquiry about the transfer from Tianjin Xingang Port to Tanggu Railway Station or Tianjin Railway Station.
At first, I should let you know that there are pulic bus from Xingang Port Station to Tanggu Railway Station Stop. That is Bus No 102. But you need to walk out of the port for about 700 meters to the bus station first.
If you do hope to Tianjin Railway Station, it is farther. Therefore, you will need take a taxi or book a private transfer in advance. If you hope to book a transfer from us, we need more time to check with local partner next Monday as it is now at the weekend and office is closed.