Situated at Ningbo, a beautiful city of port, Ningbo Shengyi Electrical Appliances Factory is a professional manufacturer in tube shaped electric heating components and temperature control components. Electric heating components use stainless steel tube, iron tube, copper tube and aluminium tube as outer casing and use magnesia powder of high performance and high temperature resistance as fillings. Temperature control components use quality and high insulating plastic as outer casing and are made of advanced special type metal material according to the principle of temperature sensing expansion difference value. It can produce 5 million electric heating components and 4 million temperature control components every year. The products are widely used in electric heating ware such as electrical water heater, washing machine, air conditioner, heating stove and oven and won high opinion of customers. We are also willing to design and develop special electric heating components and temperature control components. Welcome your cooperation.