Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for Ventilation In Buildings, Total Heat Exchanger , energy recovery ventilator , industrial air conditioners ,passitive house ventilation system . Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software development are our distinguishing feature. The product will supply to all over the world, such as Europe, America, Australia,kazakhstan , Provence ,UK , Austria .As an experienced group we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of our company is to build up a satisfactory memory to all customers, and establish a long term win-win business relationship. Choose us, we always wait for your appearance!