Fans respectively 4,6 and 8-pole motor FKZ main fan, can be composed of a total of 140 standard models DK45 main fan, forming a huge fan family group, with the national mine ventilation network and obtain a reasonable match operation and high efficiency. 1, correct grounding wire. 2, motor winding drying, replacement winding insulation aging serious, finishing ground. BK54 main fan, exhaust fan (certified), the main fan is provided 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.