We keep on with the theory of "quality first, provider initially, constant improvement and innovation to meet the customers" with the management and "zero defect, zero complaints" as the standard objective. To great our company, we deliver the merchandise using the fantastic excellent at the reasonable price for Enthalpy wheel, Ventilation System heat recovery core , Rooftop Packaged Air Conditioner , Customized Function Modules ,ventilation hygiene . All products come with good quality and perfect after-sales services. Market-oriented and customer-oriented are what we have been being after. Sincerely look forward to Win-Win cooperation ! The product will supply to all over the world, such as Europe, America, Australia,Amman, United States ,Paraguay , Thailand .The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.