The existing domestic stereotypes fan products 4-72-6C centrifugal fan, in the case of a considerable amount of wind pressure was low. In order to adapt and meet the pressure requirements. Co-joint bearing lubricating grease 4-72-16B centrifugal fans, after reassembly, adjust the door to check whether the blades open and close at the same time, the adjustment ring is rotating in a plane perpendicular to the fan. 4-73 centrifugal fan _Y5-47 boiler centrifugal induced draft fan _ Blower Fan Co. provided by Zibo. 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.