Room 302, Building 1.no Kechuang 14 Economic-Technologial Development Area, 102600 Beijing China Telephone +86 10 87520020 service@gaugene.com http://www.gaugene.com

No. 17 Xijing Road, Shijingshan District, 100041 Beijing China Telephone +86-10-68813205-8023 Fax +86-10-68827023 patrick@yshmedical.com http://www.eternitymed.com

3rd Floor, Building No. 1 No. 15 Xijing Road, Shijingshan Dist., 100041 Beijing China Telephone +86-10-52895298 Fax +86-10-68867692 export@eternal-med.com http://www.export-med.com

2nd, Floor, Building A, No. 33, HuilongseScience Park, Daxing, 100176 Beijing China Telephone +86 10 56532818 首页

3rd Floor, Xinhualian Science&Technology Building, No. 5 Jiachuang Road, Tongzhou, 101111 Beijing China Telephone +86-10-69502385 Fax +86-10-65907615 zhengliceng@diagreat.com http://www.diagreat.com

Rm. 1901, Plaza B, YiCheng International Center, No. 10 RongHuaZhongLu, BDA, 100176 Beijing China Telephone +86 10 57780251 Fax +86 10 57780398 info@demaxmedical.com http://www.demaxmedical.com

Rm 701, Block C, Jiahua Building, No. 9 Shangdi San Street, Haidian District, 100085 Beijing China Telephone +86-10-62967988 Fax +86-10-62962445 service@datsing.com http://www.datsing.com

2nd Floor, CS&S Building A, No. 55 Xueyuan South Road, Haidian Dist., 100081 Beijing China Telephone +86 10-62146979 Fax +86 10-62146979 cssca6688@126.com http://www.ca-css.com/CSSCA_EN/

20/F Gaohelanfeng Plaza, No. 98 South Road, East 3rd Ring, Chaoyang District, 100021 Beijing China Telephone +86 10 58611761 Fax +86 10 58611751 imd@clzd.com http://www.clzd.com

2nd Floor, No. 2 Bldg. JingBao Bldg., No. 9 Shuangyuan Road, Shijingshan Dist., 100041 Beijing China Telephone +86 10 88204630 Fax +86 10 88204632 market@choicemmed.com http://www.choicemmed.com