adress：Beijing Haidian District North beehive No. 2 Zhongsheng mansion 2306

Switchboard：010-63324455   63324466    51891122

Railway telephone：021-91122 021-70788

Fax：021-91122 021-70788

400tel：4001601122

adress：Beijing Haidian District North beehive No. 2 Zhongsheng mansion 2306

Switchboard：010-63324455   63324466    51891122

Railway telephone：021-91122 021-70788

Fax：021-91122 021-70788

400tel：4001601122