"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm for the long-term to create jointly with consumers for mutual reciprocity and mutual reward for Ventilation In Buildings, air to air wheel type heat exchanger , ALU HEAT EXCHANGERS , HVAC ,commercial HVAC fresh air ventilation system . While using the improvement of society and economy, our corporation will retain a tenet of "Focus on trust, high quality the first", moreover, we count on to make a glorious long run with each and every customer. The product will supply to all over the world, such as Europe, America, Australia,Tajikistan , Malaysia ,Panama , Netherlands .Our stock have valued 8 million dollar , you can find the competitive parts within short delivery time. Our company is not only your partner in business, but also our company is your assistant in the coming corporation.