Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for ventilation hygiene, Office Ventilation , AHU heat recovery section , Ventilation In Buildings ,ERV . Seeing believes! We sincerely welcome the new clients abroad to build organization associations and also hope to consolidate the associations while using the long-established prospects. The product will supply to all over the world, such as Europe, America, Australia,Thailand , Rwanda ,Madrid , Salt Lake City .Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.