We believe in: Innovation is our soul and spirit. Top quality is our life. Purchaser need is our God for passitive house ventilation system, factory AHU , Energy Recovery Ventilation System , VRF systems ,Hospital use heat exchanger . Welcoming interested companies to cooperate with us, we look forward to having the opportunity of working with companies around the world for joint growth and mutual success. The product will supply to all over the world, such as Europe, America, Australia,Chile , America ,Sweden , Greece .We have now 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export solutions to other countries. We expect to cooperate with you to develop a larger market.