ZHEJIANG DUN'AN ARTIFICIAL ENVIRONMENT CO., LTD. — Investor Relations & Filings

Zhejiang Dun'an Artificial Environment Co., Ltd. specializes in the research, development, and manufacturing of components for refrigeration and air conditioning systems. The company's core product portfolio includes service valves, four-way reversing valves, electronic expansion valves, solenoid valves, and heat exchangers. It also provides specialized equipment for central air conditioning and thermal management systems used in residential, commercial, and industrial applications. Dun'an is a key supplier in the global HVAC supply chain, focusing on energy-saving technologies and environmental control solutions. Its products are integral to the operation of household air conditioners, commercial refrigeration units, and new energy vehicle thermal management systems. The company emphasizes technical innovation and quality control to maintain its position as a leading provider of fluid control components and heat exchange solutions worldwide.