Kaifeng Enterprise Co., Ltd. is a business partner of Minglun Motor Industrial Co., Ltd., which provides the most comprehensive technical and logistical support. The fans sold by our company are equipped with high-efficiency motors produced by Minglun Motor Industrial Co., Ltd., featuring a full series of F-class certification. These products have also passed international certifications including EU CE, US UL, domestic CNS, and China’s 3C certification. (Products include large exhaust fans, factory ventilation systems, and ventilation equipment.) The entire product development and manufacturing process takes place in Taiwan, ensuring quality and reliable after-sales service.