Cartridge Heater, Thermocouple, Silicone Heater manufacturer / supplier in China, offering 220V 380V Stainless Steel Electric Water Tubular Immersion Heater, 3kw 4.5kw 6kw 9kw 220V 380V Electric Resistance Tubular Water Tri Clamp Immersion Heating Element for Brewing, 2inch 380V 3kw 6kw 9kw 12kw Stainless Steel 316 Threaded Tubular Electric Oil Immersion Heater and so on.