Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces for Classroom Ventilation, heat recuperative , HVAC AHUs , AIR TO AIR HEAT EXCHANER ,air condition . In addition, we would properly guide the customers about the application techniques to adopt our products and the way to select appropriate materials. The product will supply to all over the world, such as Europe, America, Australia,Niger , Qatar ,Malawi , Madrid .Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.