Sonus Technologies Co., Ltd.

Changchun
Address: 2km Changbai Road
                 Luyuan Economic Devt. District
                 Changchun 130062, China
Tel./ Fax: +86 431 8788 7168

Beijing
Address: B-332, No.41 Wangsiying
                 Chaoyang District
                 Beijing 100023, China
Tel./ Fax: +86 10 8795 4495

E-mail:    info@sonustc.com