This product is mainly used in coal mine as a push-local fan FBD Bureau Ventilator for local ventilation where the mining face and various chamber. Environmental conditions of the product can be flat on the roadway floor, can also be hanging in the tunnel wall. When placed on the floor to use the fan suction outlet (collector-side) can not be immersed in water or cement. JK50 Bureau Ventilator, Ventilator Bayannao'er Bureau, 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!