Beijing mingwan Zhida Technology Co., Ltd. (Beijing Office)
Address: An Yuan Road Beijing City, No. 15 Chaoyang District mainone information building
Tel: (+86) 010-58271212
Fax: (+86) 010-59207580
Postal Code: 100029

Customer service
Tel: 400-700-1818 (free long distance)
Fax: (+86) 010-59207580
E-mail: Service@mainone.cn