Cartridge Heater, Film Heater, Silicone Rubber Heater manufacturer / supplier in China, offering 240V 120W Electric Cartridge Heating Tube Air Conditioning Crankcase Heater in Compressor, 220V Stainless Cartridge Heating Tube Crankcase Heating Element for Air Conditioner, Self-Control Temperature Flexible Silicone Rubber Belt Crankcase Heater for Compressor and so on.