Cabinet, explosion cavity, impeller, collector and other structural parts are made of mild steel fan welded. To double-check the box after packing slips pneumatic blower, which should be product certification and instructions for use. When the user requirements, but also attach the fan aerodynamic performance test report. Quality assurance of the fan for 12 months, within 12 months of damage is indeed due to the fan manufacturing quality problems occur FQ pneumatic blower, my company free repair pneumatic turbine prices, heavily damaged in charge refunded. As a result of damage caused by improper use of the user, the company is also responsible for repairs, repairs should bear with the user. My company sold products to ensure long-term provision of spare parts at cost price. Pneumatic fan prices | dust fan (certified) | Datong Air Blower Fan Co. provided by Zibo. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is a professional "fans, mine fan, mine fan, explosion-proof fan, heat fan, boiler fan" of the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "cloud laugh" brand has a good reputation. We adhere to the "service first, customer first" principle, so that the congregation Zibo Blower won the trust of customers in fan, ventilation equipment, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!