Jilin ynfansupply Ventilation Equipment Co., Ltd. , founded in 2004, is a high and new technological enterprise with R&D, manufacturing and sales integrated. Over the years, our company focuses on strict management, upholds the belief of existence with quality, development with credit standing' and is marching steadily toward the development direction of specialization, large scale and internationalization. We warmly welcome friends from all circles come to visit, negotiate the business, and put forward your valuable suggestions as well! Our products: Ventilation Blower Fan, Greenhouse Exhaust Fan, 50 Inch Frp Fan, 56 Inch Shutter Cone Fan, Auto Evaporative Air Cooler, Box Fan, Ventilation Cone Fan, Ventilating Exhaust Fan, Chicken Farm Cooling Pad Paper, Negative Pressure Exhaust Fan