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