Oxberg, founded in Bavaria, Germany in 1970, has developed a representative technology in products of heat exchanger ventilation, HRU, ERV, HRV, external rotor motor, centrifugal and mixflow duct fan, axial fan and applied it to the field of fresh air systems by inheriting the high, precise, and cutting-edge production concepts of German industry and strong R&D and innovation capabilities. The ultimate air of the real German Black Forest is brought to your life. In 2013, Oxberg established a R&D and production base in China, focusing on the R&D, massive OEM production. Relying on the world's leading heat exchange technology and various range of AC EC external rotor motor. we provide users around the world with a variety of high-quality ventilation equipment, and all parts produced are in line with Rohs, CE, VDE, UL, and IMQ certification marks.