We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for Mechanical ventilation system with heat recuperative, air handing system , AHU heat recuperative core , HVAC ,300cmh ERV . We believe that in good quality more than quantity. Before export of the hair there is strict top quality control check during treatment as per international good quality standards. The product will supply to all over the world, such as Europe, America, Australia,Slovenia , Kuala Lumpur ,Czech republic , Australia .We always insist on the management tenet of "Quality is first, Technology is basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.