Direct use of the motor and impeller structure, the overall stability, ease of installation main fan selection, the main fan 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 main fan maintenance, ground subsidence and mild slippage does not affect the normal operation. Can reverse the anti-wind, anti-wind greater than 40%, does not require the construction of anti-air channel. Installation angle adjustable blade, according to mine production changes at any time to adjust fan conditions. K40 main fan | Altay main fan | Blower provided by Zibo Zibo Fan Factory Limited. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) strong, credible, Shandong Zibo fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Zibo Blower and you hand into the brilliant, for a better future!