Rotfil is the No.1 manufacturer of cartridge heaters in Italy. Certified ISO 9001:2000, we offer a wide range of electric heaters, temperature sensors and temperature controllers for industrial applications: mini-coil heaters, nozzle heaters, band heaters, heating cables, infrared heaters, custom heaters, flexible heaters, PTC heaters, air heaters, mica and ceramic heaters, cast-in heaters, drum heaters, finned heaters, immersion heaters, tubular heaters, high power density cartridge heaters, middle power density cartridge heaters, low power density cartridge heaters, etc.