Features: twisted wing K45 main fan blades, pneumatic main fan to maintain high efficiency, energy saving effect is extremely significant. Mine is the best energy-saving ventilation. Long run to the thermal state of the motor DK40 main fan, stop and then start, not 2-3 times in a row, or easily burn motors. Several motors combined with a transformer, you can not start at the same time, you should start descending one by one. Main fan mine safety certificate, Chuxiong main fan, provided by Zibo Zibo Blower Blower Limited. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) to provide "fans, fans of mine, mine fans, explosion-proof fans, high temperature fans, boiler fans" and other business, the company has a "cloud laugh" and other brands. Focus on the fans, ventilation equipment and other industries, in Shandong Zibo have higher visibility. Welcomes inquiries, Contact: An Jingli.