We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for Fresh Air, Ventilation System heat recovery core , HEPA Filter , wheel type heat recovery core ,UVC . We warmly welcome merchants from your home and overseas to contact us and set up business enterprise partnership with us, and we'll do our greatest to serve you. The product will supply to all over the world, such as Europe, America, Australia,Ecuador , Belarus ,Hyderabad , United States .With strong technical strength and advanced production equipment, and SMS people purposefully , professional, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.