Our firm aims to operating faithfully, serving to all of our consumers , and working in new technology and new machine continually for Rotary heat exchanger, Vertical Ventilation System , Customized Function Modules , villa fresh air solution ,residential HVAC system . With the development of society and economy, our company will keep a tenet of "Focus on trust, quality the first", moreover, we expect to create a glorious future with every customer. The product will supply to all over the world, such as Europe, America, Australia,Toronto , Brazil ,US , Sheffield .For many years, we have adhered to the principle of customer oriented, quality based, excellence pursuing, mutual benefit sharing. We hope, with great sincerity and good will, to have the honor to help with your further market.