【URL】 http://www.cnionline.com/cni_events/cni_events_frame.html

【简介】
     Links to the chemical industry on the web. Over 1200 sites listed.

【相关链接】
　　Reed Chemical Publications
　　Chemical Equipment

Summary by 李晓霞 on 2001-03-22

Last updated by 李晓霞 on 2002-07-14