Contact people Sales Key Account Comm. director Quality HR Sales Ms Gula, Natalia Sales Back Office Telephone: +49 2237 9749-57 Fax: +49 2237 9749-20 Email: *protected email* Mr Tiede, Sergej Sales Back Office Telephone: +49 2237 9749-31 Fax: +49 2237 9749-20 Email: *protected email* Ms Ngo, Yen Thu Sales Back Office Telephone: +49 2237 9749-13 Fax: +49 2237 9749-20 Email: *protected email* Key Account Mr Bettini, Daniel Key Account Manager Telephone: +49 2237 9749-39 Mobile: +49 1511 4455 085 Fax: +49 2237 9749-45 Email: *protected email* Commercial Director Mr Dr. Brandtner, Siegfried Commercial Director Telephone: +49 2237 9749-0 Fax: +49 2237 9749-20 Email: *protected email* Head of Quality Assurance Mr Battlehner, Rayan Head of Quality Telephone: +49 2237 9749-63 Fax: +49 2237 9749-43 Email: *protected email* Human Resources Ms Wolf, Petra HR Manager Telephone: +49 2237 9749-12 Fax: +49 2237 9749-42 Email: *protected email*