FBCDZ series mine explosion out of the ground with rotating axial fan is required Zibo Blower Factory Co., according to mine design and manufacture. Noise measurement methods "low-pressure centrifugal fan through mine," the noise measurement method FBCDZ-18 # mine main fan is in accordance with national standards through coal mine fan and fan noise measurement inlet nozzle method requires the measurement of. Main Fan Co. provided by Zibo Blower | FBCDZ-20 # mine main fan FBCDZ-18 # Mine Main Fan | Explosion main fan (certified). 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.