Our products and solutions are greatly recognized and trustworthy by customers and may fulfill constantly changing financial and social requires for air to air wheel type heat exchanger, Rooftop Air Conditioner , wheel type heat recovery core , Vertical Ventilation System ,Ventilation system solutions . All of the time, we have been paying attention on all information to insure each product or service glad by our customers. The product will supply to all over the world, such as Europe, America, Australia,Pakistan , Rio de Janeiro ,Stuttgart , Mauritius .Our factory covers an area of 12,000 square meters, and has a staff of 200 people, among which there are 5 technical executives. We are specialized in producing.We have rich experience in export. Welcome to contact us and your enquiry will be replied as soon as possible.