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2020 China Refrigeration Exhibition innovative product list

With the countdown of China Refrigeration Exhibition in 2020, in the anticipation of everyone, today, the results of the annual "innovative products" selection of China Refrigeration Exhibition are fresh!


Dunan environment once again won the list, "internal balance electronic expansion valve" with its unique internal balance structure design and excellent performance, stood out among many participating products, won the "innovative product" award. This is also the sixth consecutive year that Dunan Environment has won the award.

As the most important professional award in the industry, the China Refrigeration Exhibition "Innovative products" award has always been the vane of the industry technology trend, and it is also the object of competition for major refrigeration HVAC enterprises. The winner is undoubtedly a model of innovative technology.

So as an innovative technology "model student" of the shield safety environment balance electronic expansion valve, in the end what outstanding performance, let us set off her mystery together, let's have a sneak peek!


Internal balance type electronic expansion valve

Don't look at her small size

But he's more than capable

Unique internal balance structure design

A combination of sophistication and precision

Multi-line, heat pump modular machines provide a more compact, energy efficient and reliable solution



This large cooling capacity, small volume internal balance electronic expansion valve is mainly used for multi-line and modular machines, using a unique structural design to achieve small motor large load, volume and weight are significantly reduced by more than 50%, providing space for the compactness and lightweight of the whole machine. The action performance and bidirectional performance of the valve body are also greatly enhanced, such as the reverse opening valve pressure difference is more than 4 times that of the traditional valve, making the system more reliable and more energy saving.

Not long ago, the internal balance type electronic expansion valve also passed the provincial new product identification, by Zhejiang University, Xi 'an Jiaotong University, Shanghai Jiaotong University and other universities and scientific research institutions academicians, professors and other experts of the identification committee unanimously recognized: the overall technology reached the international advanced level, of which the internal balance technology is the international leading level.


Glory coronation, only to achieve more customer value

Dunan environment has been deeply engaged in the field of refrigeration for many years, with the mission of "improving energy efficiency and optimizing the environment", aiming at the general direction of the industry of "efficient, comfortable, environmental protection and intelligent", focusing on customer needs and pain points, and constantly carrying out differentiated research and development reserves, providing various parts solutions for the user system through synchronous development, and providing technical support for the energy efficiency upgrade of the whole industry. In the "innovative products" list of China Refrigeration Exhibition, a series of products have won the list.


Previous award-winning products


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