BIG DIPPER TECHNOCHEM INSTITUTE
Call010-8264.0226;
Fax: 010-8264.0221;
P.o.Box: 603 BDTI
Beijing, China 100190
http://www.BD-research.com/
Email: support@big-dipper.us; sales@big-dipper.us;        sales@bigdipper-technochem.com
 
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