The nearest place is the railway station. You can take the 1 bus around Lanzhou University and get off at the railway station. 1 bus stops, you can see the bus dispatching station, where you can easily apply for a bus card. Of course, if you walk south along Tianshui Road to the railway station, you can see the bus dispatching station on the east side of the railway station square in a quarter of an hour.
Remember to bring your ID card and 30 yuan deposit.