"Control the standard by the details, show the power by quality". Our business has strived to establish a highly efficient and stable team staff and explored an effective good quality regulate course of action for Rooftop Packaged Air Conditioner, energy recovery ventilator , commercial ventilation system , Rotary heat exchanger ,Fresh air recuperator . Together with the everlasting target of "continuous top quality improvement, customer satisfaction", we have been sure that our products high quality is stable and trustworthy and our solutions are best-selling at your home and overseas. The product will supply to all over the world, such as Europe, America, Australia,Mumbai , Turkmenistan ,Dubai , Singapore .We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to provide you with the best services. If you need more information, please do not hesitate to contact us via E-mail, fax or telephone.