Michael Stobinski 
Executive Manager - Chief Commercial Officer 
Tel.: +49 (0)7031 20495-111 
Fax: +49 (0)7031 20495 169
press@qest.de

Marianne (Maya) Ramisch 
Sales and Marketing Agent 
Tel.: +49 (0)7031 20495-128
Fax: +49 (0)7031 20495-169
press@qest.de