Address：Building No.1 YiJingJiaYuan,East District 3 HuannaluChaoyang District BeiJing
postcode：100021
Tel：(86)010-51670121     51670115 /116/0064
Fax：(86)010-51670118
Email：51670064@163.com
Website：http://www.bjzyhs.com

Consultation：010-51670115 Mrs Li 010-51670121 Mrs Yang

mail： yonghuadu@163.com