Being supported by an innovative and experienced IT team, we could present technical support on pre-sales & after-sales service for air to air wheel type heat exchanger, indoor air quality control system , China Heat Exchanger , passitive house ventilation system ,liquid circulation recuperator . Never-ending improvement and striving for 0% deficiency are our two main quality policies. Should you need anything, don't hesitate to contact us. The product will supply to all over the world, such as Europe, America, Australia,panama , Haiti ,Qatar , Austria .Due to good quality and reasonable prices, our items have been exported to more than 10 countries and regions. We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.