The incredibly rich projects administration experiences and a person to 1 service model make the substantial importance of organization communication and our easy understanding of your expectations for Heat Transfer Module, Filtration Ventilation System, Super Slim Heat Recovery Ventilation System, Heat Recovery Ventilation,Co2 Control Residential Heat Recovery Ventilation. We welcome you to visit our factory and look forward to establishing friendly business relationships with customers at home and abroad in the near future. The product will supply to all over the world, such as Europe, America, Australia,Croatia, Germany,St. Petersburg, Amsterdam.More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.