No. 23, Torch Street, Science and Technology Park, Changping District, 102200 Beijing China Telephone +86 10 80843551 Fax +86 10 80843567 zonci@zonci.com http://www.zonci.com

Building 9, 6 & No. 6 Yuan Hengye North 7 Str., Yongle Economic Development Zone, 101105 Beijing China Telephone +86-18911132736 Fax +86-10-63777521 85687937@qq.com http://www.bjzksk.com

4/F Building 13, No. 16 Huanke Middle Road, Tongzhou District, 101102 Beijing China Telephone +86 10 59770798 Fax +86 10 57990799 sales@acuneed.com http://www.acuneed.com

Building 9, No. 6, Guanghua Road, Zhangjiawan, Tongzhou District, 100022 Beijing China Telephone +86-10-80807980-311 Fax +86-10-59603945 yuemei.zhang@wansheng.com.cn http://www.wsrhkj.com

F/7 Tower A, Cuiwei Plaza, No. 33 Fuxing Rd., Haidian, 100036 Beijing China Telephone +86 10 68167846 Fax +86 10 68222091 export@wei-li.com http://www.wei-li.com

No. 31 Kexueyuan Road, Changping District, 102206 Beijing China Telephone +86 10 59528888 Fax +86 10 59528999 wtexport@ystwt.com Home

Builiding 3, No. 9 Jiuxianqiaodong Road, Chaoyang District, 100015 Beijing China Telephone +86 10 84575792 Fax +86 10 84575794 international@wandong.com.cn http://www.wandong.com.cn

Tower 10-208, N. 09, Tianfu Ave China Bio-Medicine Industry Park.Beijing, 100101 Beijing China Telephone +86-10-64897870 Fax +86-10-64897870 global@unidiaginc.com http://www.unidiaginc.com

P.O. Box 1, 102300 Beijing 1, Floor of Deshan Building, No. 7 Mei’, 102300 Beijing China Telephone +86 10 61869033 Fax +86 10 60865433 tsl1958@sina.com http://tsmcn.cn/

Tower 1A, No. 27 Chuangxin Rd. Tech. Park, Changping District, 102206 Beijing China Telephone +86 10 53855569 Fax +86 10 53855570 sales@succeeder.com.cn http://www.succeeder.com.cn