No. 711, Building 93 Yuntong Garden, Luyuan South Street Yongshun, Tongzhou District, Beijing
Telephone：010-89588384
Zip code：101118
No. 13, Lane 625, Hejie Road Pudong New Area, Shanghai
Telephone：021-61643038
Zip code：200124
Official website：www.datangshiji.com
E-mail：datangshiji@163.com
