"Sincerity, Innovation, Rigorousness, and Efficiency" will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for HRV, hospital air handling systems , Fresh Air , fresh air purification ,Ventilation system . We feel that our warm and professional support will bring you pleasant surprises as perfectly as fortune. The product will supply to all over the world, such as Europe, America, Australia,St. Petersburg , Zimbabwe ,Iceland , Czech .Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.