1, you didn't say where to go from Dachang, so you had to go to Getang subway station by default.
2. Take the s8 subway line, pass 5 stops and arrive at Taifeng Road Station.
3. Take Metro Line 3, pass 9 stops and arrive at Daxing Palace Station.
4. Walk about 220 meters and transfer to Metro Line 2.
5. Take Metro Line 2, pass three stops and arrive at Hanzhongmen Station.
6. Walk about 600 meters to Vanke Golden Home.