We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for HRV, heat recuperative , air to air heat recovery core , fresh air purification ,high efficiency heat recovery ventilation system . Our customers mainly distributed in the North America, Africa and Eastern Europe. we will source top quality goods using the really aggressive selling price. The product will supply to all over the world, such as Europe, America, Australia,Hamburg , Qatar ,Australia , Swedish .Immediate and expert after-sale service supplied by our consultant group has happy our buyers. Comprehensive Info and parameters from the merchandise will probably be sent to you for any comprehensive acknowledge. Free samples may be delivered and company check out to our corporation. n Morocco for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.