"Based on domestic market and expand overseas business" is our improvement strategy for Ventilation In Buildings, compactded design HRV , Ventilation System heat recovery core , Holtop Heat exchanger ,HVAC Unit . All merchandise are manufactured with advanced equipment and strict QC procedures in purchase to assure high-quality. Welcome prospects new and old to get hold of us for enterprise cooperation. The product will supply to all over the world, such as Europe, America, Australia,Bogota , Hungary ,Lesotho , Madrid .We can meet the various needs of customers at home and abroad. We welcome new and old customers to come to consult & negotiate with us. Your satisfaction is our motivation! Let us work together to write a brilliant new chapter!