Cartridge Heater, Film Heater, Silicone Rubber Heater manufacturer / supplier in China, offering 12V 24V 48V 220V Industrial Stainless Steel Tubular Immersion Water Electric Resistance Heater, DN40 Stainless Steel Electric Tubular Coil Water Immersion Heating Element 380V 6kw, 220V 380V Bsp 1.5" 2" DN40 DN50 Electric Tubular Heating Element Water Immersion Heater Industry Heating Elements and so on.