Cartridge heater: Technical Parameter: 1. Electric heating tube diameter: 6-23mm; 2. Materials : heat resistant Seamless stainless steel tubes at the operating temperature of up to 700 degree; 3.Input power and power: to be customized as required; 4.Length of electric heating tube: to be customized as required 1)We provide OEM service for electric heating element 2)All products are certificated by ISO9001:2008,CE standard carton package