How to take the subway from Beijing West Railway Station to  Xisanqi Air Force Research Institute?

Bus route: Metro Line 9 → Metro Line 4 → Daxing Line →432, with a total length of about 22.3 kilometers.

1. Walk about130m from Beijing West Railway Station and arrive at Beijing West Railway Station.

2. Take Metro Line 9, pass three stops and arrive at the National Library Station.

3. Take Daxing Line of Metro Line 4, pass 6 stops and arrive at Yuanmingyuan Station.

4. Walk about 80 meters to the South Gate Station of Yuanmingyuan.

5. Take bus No.432, pass 15 station and arrive at Xisanqi Bridge East Station.

After getting off the bus, walk 200 meters east, which is the north side of the road.