Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for Mechanical ventilation with heat recovery, heat recuperative ventilation system , Total Heat , fresh air recuperative ventilation ,high efficiency heat recovery ventilation system . Welcome all nice buyers communicate details of solutions and ideas with us!! The product will supply to all over the world, such as Europe, America, Australia,Denmark , Buenos Aires ,Malaysia , Adelaide .We have now 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export solutions to other countries. We expect to cooperate with you to develop a larger market.