Applications: 1. Mainly used for hot water transport. used in house, under floor, for keep house warm Competitive Advantage: 1.The unit main electric appliance part both uses the imported product and the movement stably reliable. The unit all control pressed key uses the integration design,the operation simple and quickly. 2. Stable running, low noise,strong bearing and long life use 3. High out put,high effciency and Easy to operate 4. Double station winder