Direct use of the motor and impeller structure of main fan, the overall stability of the main fan DK45 easy installation, easy maintenance, low resistance device Bureau. Higher than the transmission efficiency and the long axis of the belt, no transmission failure K40 main fan impeller, no danger of broken shaft, mild ground subsidence and does not affect the normal operation of the slip. Electric control is provided with a quick reversal of the electric motor means, when you need the fan anti-wind inversion, press the stop button until the fan stops and then press reversal. Main fan repair | exhaust fan (certified) | kizilsu main fan by Zibo Blower Factory Co., Ltd. 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.