owing to excellent assistance, a variety of high quality products and solutions, aggressive costs and efficient delivery, we take pleasure in an excellent popularity amongst our customers. We are an energetic business with wide market for Mechanical Ventilation And Heat Recovery, Heat Recovery Ventilator Installation , Heat Recovery Ventilation Unit , Portable Anion Air Purifier ,Air Purifier Commercial Use . Our company is working through the procedure principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a pleasant relationship with businessman from all around the earth. The product will supply to all over the world, such as Europe, America, Australia,Madrid , Germany ,Mombasa , Los Angeles .The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products have been exported to more than 15 countries in the world and have been widely used by customers.