Purpose Ventilator is designed according to the metallurgical, chemical, building materials and the nuclear industry and other types of non-coal mine ventilation needs of the design, in the medium delivered by the mine main fan, ventilation conditions must not contain explosive gases DK45 main fan , do the main fan, fan assisted main fan mine safety certificate, can be installed on the surface, can also be installed in the underground. Features: twisted airfoil blades, high aerodynamic efficiency, energy saving effect is very significant. Mine is the best energy-saving ventilation. K45 main fan, main fan, provided by Zibo Zibo Blower 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!