Dirui Industrial Co., Ltd.

No. 3333, Yiju Road, New & High-Tech. Development Zone, 130103 Changchun, Jilin China, People’s Republic Telephone +86 431 85083711 Fax +86 431 85173354 mason.jin@dirui.com.cn http://www.dirui.com.cn

Danyang Sunmed Healthcare Corporation

No. 3, Bei Er Huan, 212300 Danyang, Jiangsu China, People’s Republic Telephone +86 511 86963500 Fax +86 511 86963700 info@chinasunmed.com http://www.chinasunmed.com

Dalian Aohua Imp. & Exp. Co. Ltd.

Rm 1805, Vanke Mansion, No. 67, Tongxing St., Zhongshan District, 116001 Dalian China, People’s Republic Telephone +86 411 82822219 Fax +86 411 82822819 joe@aohuamedical.com http://www.aohuamedical.com

DaAn Gene Co., Ltd. of Sun Yat-sen University

P.O. Box 217, 510665 Guangzhou, Guangdong No. 19, Xiangshan Road, Science Park, High & New Development District, 510665 Guangzhou, Guangdong China, People’s Republic Telephone +86 20 32290789-261 Fax +86 20 32068352 marketing@daangene.com http://www.daangene.com

D.S. Land (Tianjin) Enterprise Co., Ltd.

Room 518, Building A3, Magnetic Plaza, Binshui West Road, Nankai District, 300381 Tianjin China, People’s Republic Telephone +86 22 23932915 Fax +86 22 23932917 wanghongqi@dsld.cn http://www.dsld.cn

Core Technology Co., Ltd.

Room 100, Building C, No. 29, Life Park Rd., Changping District, 102206 Beijing China, People’s Republic Telephone +86 10 69390616 Fax +86 10 69390660 info@coretests.com http://www.coretests.com

Copper Medical Technology Co., Ltd.

5/F, Glory Industrial Factory Zone, No. 2 Baolong 5 Road, Longgang, 518116 Shenzhen China, People’s Republic Telephone +86 755 61828756 Fax +86 755 66857626 info@coppercn.com http://www.coppercn.com