Shandong Yuyun SANHE Machinery Co. is a specialized manufacturer of ventilation fans, industrial air heaters and cooling and humidifying equipment. Through years of development, YUYUN SANHE has been certificated by the ISO9001 international quality management system, and has obtained a variety of patents for invention and for utility models. Currently, YUYUN SANHE products have been sold in 68 countries and regions including India, Mexico, Portugal, Brazil, Canada etc. We welcome customers to come visit our factory to learn more about our company.