In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for Ventilation system, CROSS COUNTERFLOW HEAT EXCHANGERS , Fresh Air System , villa MVHR. ,Fresh Air . We warmly welcome you to build cooperation and generate a brilliant long term together with us. The product will supply to all over the world, such as Europe, America, Australia,Slovenia , Madras ,Libya , London .We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.