No matter new customer or old customer, We believe in long term and trusted relationship for air to air wheel type heat exchanger, Heat Recovery , air treatment , VRF systems ,Manufacturer of large airflow AHU . As an experienced group we also accept customized orders. The main goal of our company is to build up a satisfying memory for all customers, and establish a long-term win-win business relationship. The product will supply to all over the world, such as Europe, America, Australia,Ghana , British ,Ecuador , Costa Rica .Why we can do these? Because: A, We are honest and reliable. Our items have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It might be highly appreciated.