TEL: 400-6869-840  +86-10-60608020

FAX: +86-10-89029839

ADDRESS: ROOM 2207,NO. 9,East Third Ring Middle Road,CHAOYANG DISTRICT,BEIJING ,CHINA

QQ: 2976596740  2754298915  2848770245  2270642949

E-mail: lablead@126.com  lablead@163.com