Being supported by an advanced and specialist IT team, we could give technical support on pre-sales & after-sales services for 300cmh ERV, Air Conditioning , Classroom Ventilation , Total Heat ,villa fresh air ventilation sytem . We will supply best quality, the most market competitive price, for every new and old customers with the most perfect green services. The product will supply to all over the world, such as Europe, America, Australia,Malaysia , France ,Houston , Turkey .Providing Quality Products, Excellent Service, Competitive Prices and Prompt Delivery. Our products are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.