We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for passitive house ventilation system, HVAC , HRV , HVAC Unit ,Plate Heat Exchanger . We wholeheartedly welcome customers all over the world come to visit our factory and have a win-win cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Vietnam , Pretoria ,Swiss , United Arab Emirates .Business philosophy: Take the customer as the Center, take the quality as the life, integrity, responsibility, focus, innovation.We will provide professional, quality in return for the trust of customers, with most major global suppliers,all of our employees will work together and move forward together.