Beijing Office

Address: 7-8th Floor Tower A, Hundred Island Park, Bei Zhan Bei Jie Street, Xicheng District, Beijing 100044, PR China

Tel: (+86) 10 8836 9999
Fax: (+86)10 8836 9996
Email: info@changtsi.com
Client-Care:(+86)10-8832 0889


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Shanghai Office

2508 A, Office Section 3, Jinmao Tower, 88 Century Avenue, Pudong New Area, Shanghai
200121 P.R China

Tel: (+86) 21 6168 2668
Fax:(+86) 21 6106 2098
Email: info@changtsi.com


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Guangzhou Office

2305 Tower B Center Plaza, No. 161 Linhexi Rd., Tianhe District, Guangzhou
510620, P.R China 

Tel: (+86) 20 2881  6699
Fax:(+86) 20 2881  6669
Email: info@changtsi.com


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