Being supported by an innovative and experienced IT team, we could present technical support on pre-sales & after-sales service for Ceiling Suspended Ahu, Commercial Hrv, Whole House Ventilation Fan, Air To Air Exchanger,Whole Home Dehumidifier. For further queries or should you have any question regarding our products, please do not hesitate to contact us. The product will supply to all over the world, such as Europe, America, Australia,Mauritania, Irish,Costa rica, United States.Taking the core concept of "to be the Responsible". We'll redound up on society for high quality merchandise and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.