ESound MED Co., Ltd.

Changyuan County High-Tech Medical Device Industrial Park, 453400 Xinxiang China Telephone +86-373-7152666 Fax +86-373-2153110 yixin@esoundmed.com http://www.e-soundmed.com/

Edan Instruments, Inc.

No. 15 Jinhui Rd., Jinsha Community, Kengzi Subdistrict, Pingshan District, 518122 Shenzhen China Telephone +86 755 26898326 Fax +86 755 26898330 info@edan.com.cn http://www.edan.com.cn

DSB MEDICAL CO., LTD

98 Fumin Road, Changzhou Economic Development Zone, 213025 Changzhou China Telephone +86-519-88363800 Fax +86-519-83901235 service@dsbmedical.com http://www.dsbmedical.com

Dott Medical Co., Ltd

402#, Building 1, Well.D Industry Park, Qinglan 3 Rd, Pingshan New Area, 518118 Shenzhen China Telephone +86 755 29410679 Fax +86 755 29410679 william@dottmed.com http://www.dottmed.com