We always think and practice corresponding to the change of circumstance, and grow up. We purpose at the achievement of a richer mind and body as well as the living for heat recuperitive, Mechanical ventilation with heat recovery , Ventilation System heat recovery core , AHU core ,fresh air recuperative ventilation . We promise to try our best to provide you with high quality and efficient services. The product will supply to all over the world, such as Europe, America, Australia,Nairobi , Philippines ,Russia , Singapore .Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.