010-61271107
Add: NO.18 Keyuan Road,Daxing Industry Developing Zone Daxing District Beijing China
Fax: 010-67164291
Email: ts@tong-sheng.cn

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Beijing Tongsheng Shidai Biotech Co.,Ltd

Add.: No.18  Keyuan Road,Daxing Industry Deveioping Zone Daxing District Beijing
E-mail
:  hchang@tong-sheng.net

Web.:  www.tong-sheng.cn

Tel.:  010-61271107;010-61271131

Fax:  010-59773998