Yousuf Mahmood Husain Co. W.L.L.
P.O. Box 23
Tijjar Road 304 
Manama

Tel.: +973 253-547
Fax: +973 275-918
E-mail: info@ymh.com.bh
http://www.ymh.com.bh

Sigma-Aldrich Chemie GmbH
Munich, Germany

Tel.:     49 89 6513 1807
Fax:     49 89 6513 1855
E-mail: deuexport@sial.com  

Navid Shojaeddini
Area Sales Manager Middle East

Tel.: +971 551 647156
E-mail: navid.shojaeddini@brand.de