HandwerkerTrend: The Plumber's Panel Normally, questionning of selected prodessionals is laborious, costly and time-consuming. An online  questionning with HandwerkerTrend - The Plumber's Panel provides a high-quality alternative. HandwerkerTrend offers account to plumbers in the whole federal republic of Germany. More advantages of HandwerkerTrend:  • with online-questionning you can try out advertisements and packages as well, • you can integrate other multimedia formats with the interviews,  • due to conventional face-to-face or telephone interviews there are considerable time savings, • additionally, due to conventional face-to-face or telephone interviews there are considerable cost  savings. • All members of HandwerkerTrend are registered with their whole address. • The data base will be permanently updated and widened. Our experienced project managers will realize your information needs.  Are you interested in getting more information?  Here you can contact us directly.