Beijing Golden Bridge Technology Development Co., Ltd.     
Beijing Jin Yi Ming Technology Development Co., Ltd.
Golden Bridge (Hong Kong) Technology Development Co., Ltd.
Address: Rm1004-1005, 10th layer Yufei Building, 42 Dongzhimenwai, Dongcheng District, Beijing , China, 100027.
Tel: +8610 – 64241255
Fax: +8610 – 64241583
Email: gb@gbmd.com.cn    www.gbmd.com.cn