We have focused on improvements of the electric heater. SJH has gained worldwide recognition for the design and manufacturing capabilities of electric heating tubes and has become one of the most trusted brands in the industry. Our products categories cover Bundy Heaters, Aluminum Tube Heating Element, Copper Tube Heating Element, Stainless Stell 316L/321 Tube Heating Element, Incoloy 800/840 Tube Heating Element, Range Surface Element, Oven Heater, Water Heater, Defrost Heater, Finned Heater, Aluminum Alloy Casting, Boiler, Cartridge Heater, Thick Film Heating Element, Flat Bar Element, Titanium Tube Heater, Hot Runner Heater, PTC Heater, PET Heating Film, PI Heating Film, Silicon Rubber Heater, Aluminum Foil Heater, Open Coil, Explosion-Proff Heater, Thermal Couples and Printed Circuit Board Assembly.