Our growth depends to the superior products ,great talents and repeatedly strengthened technology forces for Vertical Ventilation System, Heat recovery units , negative pressure ventilation , hospital air handling systems ,indoor air quality . We sincerely welcome both equally international and domestic company associates, and hope to work along with you during the in close proximity to foreseeable future! The product will supply to all over the world, such as Europe, America, Australia,Palestine , Netherlands ,Greek , Nepal .With the principle of win-win, we hope to help you make more profits in the market. An opportunity is not to be caught, but to be created. Any trading companies or distributors from any countries are welcomed.