Contact us at: 
Address: No.3 Financial Street, Xicheng District, Beijing 
Zip Code: 100808 
For track and trace of international letterpost and parcelpost items, please visit website: 
http://intmail.183.com.cn 
For track and trace of international EMS items, please visit website: 
http://www.ems.com.cn/english.html 
For formal inquiry of all international items, the sender shall go to local post office to go through related procedures.