Tianjin Railway Station, sometimes known locally as the 'East Station', is the main station in Tianjin.
It serves the bullet train to Beijing South train station. One-way tickets are 55 for Economy, 66 for Business, or 94 for VIP. The bullet train designation is a 'C' and takes about 33 minutes, traveling up to 300 km/h.
There are shuttle buses between Tianjin railway station and Tianjin airport. A ticket costs 15 per trip. The bus stops about 200m from the train station northern gate (back gate). When you get off the shuttle bus, walk along the pavement to reach the train station.
By taxi, the fare from Tianjin railway station to Tianjin airport is about ?50-65. Use the official taxi stand (just follow the signage)- it is advised not to use any of the touts that offer taxi services.