Take train D9684. According to Baidu map, take the D9684 train from Yulin Railway Station to Zhangmu Town, which takes 2 hours and 9 minutes. The specific bus routes are as follows:

1. Take train D9684 from Yulin Railway Station and get off at Guigang Station.

2. Secondly, take a taxi from Guigang Station and pass through Shishui Line and Subei Line.

3. Finally arrived in Zhangmu Town.