Netzsch appoints two to senior sales slots.(appointment of Frank Warburg and Stephen M. Grzelak)(Brief article)

EXTON, PA -- Frank Warburg, regional sales manager for Netzsch Fine Particle Technology, LLC's grinding and dispersion group, has been promoted to head the company's sales efforts in the U.S. and Canada. He is responsible for sales throughout North America and will develop and manage a direct sales force …