With reliable quality process, good reputation and perfect customer service, the series of products produced by our company are exported to many countries and regions for negative pressure ventilation, air to air wheel type heat exchanger , Office Ventilation , HRU ,Heat Recovery . Standing still today and searching into the long run, we sincerely welcome shoppers all around the globe to cooperate with us. The product will supply to all over the world, such as Europe, America, Australia,Grenada , Cairo ,Algeria , Monaco .We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.