Prohibit free to change the fan components. Axial Fan Anti-wind: Reversing Reversing Air Act DK45 main fan, air flow along the return duct to the air shaft. BDK62 main fan BDK62 main fan _ Dust Blower (certified) _ Panjin main fan Zibo Blower Factory Co., Ltd. provided by. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is an industry leader in Shandong Zibo, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Zibo Blower leadership with the staff warmly welcome all inquiries negotiations to create a better future Zibo Blower.