We've been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We could guarantee you item excellent and aggressive price tag for Mechanical ventilation with heat recovery, negative pressure room , ventilation system heat recuperator , Fresh Air System ,HVAC air handling units . 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,Norway , moldova ,Denver , Durban .To have much more enterprise. ompanions, we've got updated the item list and seek for optimistic co-operation. Our web-site shows the latest and complete information and facts about our merchandise list and company. For further acknowledge, our consultant service group in Bulgaria will reply to all of the inquiries and complications immediately. They're about to make their finest effort to meet buyers need. Also we support the delivery of absolutely free samples. Business visits to our business in Bulgaria and factory are generally welcome for a win-win negotiation. Hope to expertise a happy company co-operation perform with you.