The product structure and description: 1, heat wire material: KangTong, kang manganese copper alloy, XinBai copper, nickel chrome alloy, copper and nickel alloy etc. 2, heat wire structure: PVC single core hair hotline, PVC many core hair hotline, PVC single core spiral hair hotline. 3, internal heat wire winding process: heat wire wrapped around the glass fiber. 4, product testing standards: UL758 about hair the relative standard hotline. 5 and product of bending test: 5000 times, no abnormalities in accordance with UL, IEC (test standard test). 6 and product of the bend test: 25000 times, no abnormalities in accordance with UL, IEC (test standard test). 7, product application: the refrigerator, air conditioner, freezers defrost, heat preservation, electric blanket, electric rice cooker, electric heating pad, the pet massage chairs, medical hairdressing equipment, electric heat belt, the electric heating electric thermal clothing shoes, tub, swimming pool, electric heat pipe technology towel rack, freezing, window heating cable inside.