DunAn was established in 1987 and went public in Shenzhen Stock Exchange (DunAn Environment for short; stock code: 002011). Our business covers the areas of components manufacturing (valves and controllers for residential and commercial A/C, heat pump, freezing and cold storage, industries, etc..), equipment manufacturing, energy-saving business, etc.. With the goal of "to be a leader in creating healthy and comfortable environment", the mission of "improving efficiency and optimize environment", and the development strategy of "leading the technology and products, leading the efficiency, and internationalization", we are constantly making breakthroughs in terms of industry transformation and upgrading.

We proactively introduced high-end equipment and intelligent manufacturing, channeled our effort to implement lean automation by "substituting machines for manual labor", launched MEMS sensing & intelligent components and robot industry, and globally constructed intelligent manufacturing business of "intelligent control component + sensor + robot".

We are the leader of global refrigeration fittings industry, owning over 30 subsidiaries, and have R&D centers and plants in the USA, Japan, and Thailand. Our market covers over 20 provinces at home and districts in North America, South America, Europe, East Asia, Southeast Asia, Middle East, and Africa.

We were rewarded with "National Quality Prize", "National Innovative Pilot Enterprise", "National Second Class Prize for Progress in Science and Technology", and "China's Top 10 Contributory Organization in Energy-saving Area".