1. Take bus No.802 from Hunan Agricultural University and arrive at Dongdaemun Station after three stops (you can also take bus No.802/10).
2. Walk about 220 meters to Zhanggongling Station.
3. Take bus No.501and arrive at Changsha County Traffic Police Bureau after two stops (you can also take bus No.50 127).
4. Walk about 520 meters to Zhongan Biopharmaceutical Co., Ltd., No.7, Pan Pan Road, Changsha.