1. Walk about140m from Beijing West Railway Station and arrive at Beijing West Railway Station.
2. Take Metro Line 9, pass three stops and arrive at Baishiqiao South Station.
3. Walk about 120 meters and transfer to Metro Line 6.
4. Take Metro Line 6, pass 17 station, and arrive at Materials College Road Station.
5. Walk about 300 meters and arrive at Tianci Liangyuan Station.
6. Take bus No.930, pass 5 stops and arrive at Yanling Road Station.
7. Walk about 730 meters to Yanjiao Town.
You can also take the intercity express from Beijing Railway Station to Yanjiao, which runs twice in the morning and evening.
You can ask questions, I hope it will help you.