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  Hunan Yuanheng Technology Development Co., Ltd was founded in 2005, headquartered in Changsha, Hunan. Yuanheng integrates research and development, production, sales and service of cooling tower and central air conditioning as a whole. Cooling tower products include transverse flow tower, adverse current tower, industrial tower, sewage tower series. Central air conditioning include air to water - water heat pump , water source heat pump and other series.
  The company has cooling tower R & D base in Changsha, Hefei, and Changsha central air conditioning production R & D base. The company can produce cooling towers which have an annual output of 1 million tons of water, 300 units (sets) central air conditioning. Yuanheng Energy Technology Park which is under construction will has the ability of produce cooling towers which have an annual output of 2 million tons of water, and 2,000 units (sets) central air conditioning. 
  Yuanheng adheres to the development strategy: "innovation -oriented, quality-oriented, win-win sharing". The company cooperated with Tsinghua University, Hunan University and a number of domestic research institutions, established a first-class R & D team and excellent cooling towers, central air conditioning laboratories. Now it has seven patents.
  Yuanheng perfectly combined heat pump air-conditioning and cooling towers into air to water - water heat pump system, so that the reconstructed and redesigned cooling tower achieved the dual function of heat dissipation and heat absorption.
  Yuanheng products have passed professional testing form the national authoritative organization, and the indicators are above the national standards. Meanwhile, the cooling tower gained the United States Association of cooling towers (CTI) certification and STD-201 standard certification, which represents thermal performance and product quality of Yuanheng cooling tower has reached the international first-class level.
  Yuanheng is one of new high-tech enterprises in Hunan Province, Hunan Province famous trademark, the product has been included in the first batch of Hunan catalog of independent innovation products. The company has achieved ISO9001, ISO14001, GB/T28001 certification, won the "Hunan manufacturing, trustworthy, quality Miles major publicity units "honor, continuous access to municipal, provincial Trade and Industry Bureau issued "Trustworthy Unit" certificate, and get AAA credit rating. Yuanheng is also a member of the American Association of cooling towers (CTI), a member of Chinese Association of Refrigeration unit and China cooling tower research  Association .  
  Yuanheng have sales and service organizations in large and medium-sized cities around the country. Now a large number of national and provincial key projects and influential projects are selecting yuanheng products, such as the Beijing-Shanghai high-speed railway, the Wuhan-Guangzhou high-speed railway, Xi'an subway, Xi’an Sairui Sheraton Hotel, Beijing Union Medical College Hospital, China antonio-dallas stratosphere, Xi'an satellite Control Center, China National Petroleum Corporation, ENN Energy Holdings Ltd, China Southern Power Grid, Linuo solar, Chery Automobile, GAC Fiat, Hunan Provincial Committee, Huanghua Airport, the Quality Supervision Bureau of Hunan Province, Hunan Radio and Television, Auchan national supermarket chains and so on. While products are also exported to Europe, Australia, Asia, Africa and other regions.
  Yuanheng adhere to customer-centric philosophy, continuous improvement has made on product development, production, service and management. Yuanheng are fighting for providing the best value products and services for our customers and partners.