Which has a positive and progressive attitude to customer's desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of Counterflow Plate Heat Exchanger, Mechanical Ventilation Heat Recovery, Energy Recovery Ventilator, Wall Mounted Heat Recovery Ventilator,Energy Save Heat Recovery Ventilator. In our efforts, we already have many shops in China and our products have won praise from customers worldwide. Welcome new and old customers to contact us for the future long term business relationships. The product will supply to all over the world, such as Europe, America, Australia,Bangalore, Sydney,Brazil, Estonia.we have 8 years experience of production and 5 years experience in trading with the customers all over the world. our clients mainly distributed in the North America, Africa and Eastern Europe. we can supply high quality products with the very competitive price.