Zhejiang Dun'an Artificial Environment Co., Ltd.

Zhejiang Dun'an Artificial Environment Co., Ltd. is a manufacturing company listed on the Shenzhen Stock Exchange since 2004. The company specializes in the research, development, production, and sales of refrigeration accessories, refrigeration and air conditioning equipment, and core components for thermal management in new energy vehicles. Its product offerings include a wide range of refrigeration accessories such as valves, heat exchangers, and integrated pipeline components, which are utilized in various sectors including household and commercial air conditioning. The company's operations are characterized by a strong focus on innovation and technology leadership in the global refrigeration components industry. It serves as a strategic partner to many renowned air conditioning manufacturers and is recognized for its advanced products, including nuclear grade chillers for power plants and thermal management solutions for new energy vehicles. Dun'an has actively contributed to the development of national and industry standards and maintains a robust research and development framework, including a nationally recognized technology center and accredited laboratory.

As a leading enterprise in the global refrigeration components industry, the company is a strategic partner of many well-known air conditioning manufacturers worldwide, and its main product production and sales are among the top in the world. The company is the first enterprise in China to produce nuclear grade chillers for nuclear power plants and has independent intellectual property rights. The nuclear grade chillers developed by the company using vibration isolation machine bases have been internationally recognized as advanced; The thermal management internal balance electronic expansion valve for new energy vehicles has obtained international leading certification, with a leading technological level in the entire industry, and is the first manufacturer to achieve mass production. The company has participated in the drafting and revision of 101 national and industry standards, and is a member of the American Association of Air Conditioning, Heating and Refrigeration Industries (AHRI), the European Heat Pump Association (EHPA), the Executive Director of the China Refrigeration and Air Conditioning Industry Association, the Director of the China Refrigeration Society, the Member of the China Quality Association, and the Vice President of the Zhejiang Refrigeration and Air Conditioning Industry Association. The company regards innovation as the soul of its development and continuously enhances its core competitiveness in leading technology products. The company has a nationally recognized enterprise technology center, a national postdoctoral workstation, an academician workstation, a nationally accredited (CNAS) laboratory, and a national central air conditioning full performance testing center. It has established a core technology support system with independent intellectual property rights and has the research and development capabilities and rapid response capabilities to develop new products in sync with customers. The company has won the China Standard Innovation Contribution Award twice, with a total of 27 internationally leading and 42 internationally advanced products and technological achievements. The company has successively won honors and awards such as the "National Quality Award", "China Low Carbon Development Leading Enterprise", "National Innovative Pilot Enterprise", "National Science and Technology Progress Second Prize", and "China Standard Innovation Contribution Award".