Haining Yongneng Energy-Conservation Science &Technology Co., Ltd. is located in Haining City, Zhejiang Province. We adhere to the customer first, forge ahead business philosophy, and the customers first principle to provide our customers with quality service. Welcome! Our main products as follows: Air-source heat pump unit for household and commercial Ground source heat pump unit Water source heat pump unit Combine cooling\\heating and hot water heat pump unit Swimming pool heat pump unit Heat recovery of centre air-conditioner so on energy-saving products, our products passed prove ISO9001\\CCC\\CE certificate. Product features: Reasonable structure\\stable quality\\reliable and nice. We consistently insist on the sane business strategy. We don\'t demand the biggest, only best. Take the most serious attitude, do the most professional thing. Let us enhance friendship with large clients and sincere cooperation, create brilliance! our companies in mainland China with a number of sales and service centers, and a unified marketing and service management system, provide strong support for our product distribution all over the country. We will further improve the production and marketing industrial chain, and focus on day-to-day management and operation of service, by using advanced technology to realize the good processing and computerized communication.