Bus route: Metro Line 9 → Metro Line 4 → Daxing Line → Metro Line 2 → Road 966, with a total length of about 18.9 km.

1. Take Metro Line 9 from Beijing West Railway Station, pass 4 stops and arrive at National Library Station.

2. Take Daxing Line of Metro Line 4, pass 2 stops and arrive at Xizhimen Station.

3. Take Metro Line 2, pass 5 stops and arrive at Dongzhimen Station.

4. Walk about 280 meters to Dongzhimen Station.

5. Take bus No.966, pass 4 stops and arrive at Li Nan Station in Liu Fang.

6. Walk about 330 meters to Haocheng Building.