YIHE is a dedicated manufacturer of ventilation systems, humidification systems, heating systems, and drying equipment. Our modern facilities span over 50,000 square meters, including 30,000 square meters of production workshops. We now have over 200 employees. Thirty of them are engineering technicians, and five of them come with master's degree or doctor's degree.
Through our constant efforts, our company has passed ISO9001: 2008 and ISO14001:2004 certificates, and our products have been CE and BV certified. We were the earliest manufacturer in our industry that earned CCC product safety certification and energy conservation certification. With strong technical strength, we also cooperate with domestic famous universities such as Tsinghua University and Xi'an Jiaotong University for product research and development. This has enabled us to achieve multiple national level technical patents.