Hong Kong (China)

Swan Analytical Asia Co. Ltd.

5th Floor 

Aide Building,No. 20

Chegongzhuang West Rd

CN-Haidian District, Beijing

 

Mr. Alex Qin

Phone: +86 10 6878 554

Fax: +86 10 6878 5541

Cell Phone: +86 138 131 0521

 

E-Mail: alex.qin@swan-analytical.cn

Web: http://www.swan-analytical.cn/

PTC International Limited

Unit 1712 Kodak House II 

39 Healthy Street East

North Point

Hong Kong

 

Mr. Stephen Cheung

Phone: (852) 28279977

Fax: (852) 25196180

 

E-Mail: general@ptc.com.hk