No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for Ac Ahu, Ventilation Box, Roof Ventilation Fan, Plate Heat Exchanger Manufacturers,Transfer Wheel. Now now we have recognized steady and long organization relationships with customers from North America, Western Europe, Africa, South America, extra than 60 countries and regions. The product will supply to all over the world, such as Europe, America, Australia,Muscat, Monaco,Saudi Arabia, Tanzania.Our product quality is one of the major concerns and has been produced to meet the customer's standards. "Customer services and relationship" is another important area which we understand good communication and relationships with our customers is the most significant power to run it as a long term business.