Since its establishment in 2002, Changsha Dawning Environmental Protection Technology Co., Ltd. has been deeply involved in the field of water filtration for 22 years and is a leading filtration equipment manufacturer in China. The company is located in Changsha, Hunan, with two automated production bases in Pingjiang and Miluo, covering an area of ​​50 acres, equipped with more than 50 intelligent devices and 2 fully automatic production lines, with an annual production capacity of 500,000 units, and has both standardized mass production and flexible customization (OEM) capabilities.

We focus on the research and development of high-efficiency filtration solutions. Our products cover nearly 100 scenarios such as agricultural irrigation, landscape water treatment, and industrial HVAC cooling systems, creating the industry benchmark brand "Dawning Filtration System". With the quality assurance of ISO, CE, and SGS international certifications, our products are exported to more than 60 countries including Australia, Indonesia, and South Africa, solving complex water quality challenges for global customers.

From precision filtration to large-scale industrial water circulation, Duoling continues to break through the efficiency boundaries of the industry with modular design, rapid response services, and more than 20 years of technical accumulation. Are you looking for an innovative solution that can both increase system life and reduce maintenance costs? Let us customize the "invisible guardian" for you with professionalism.