الوصف

â—†Adopts special shutter pushing device which could open and close shutter automatically. 
â—†Adopts the punch forming stainless steel blades, no deformation, no breaking, elegant appearance and durability. Calibrated by high-accuracy dynamic balance tester, ensure the stable operation of the fan, reduce noise, and extend service life. 
â—†Adopts the special recessed transportation handler design, convenient for loading/unloading and transportation, meanwhile, it will not influence the installation and visual appearance of the fan. 
â—†The V-type belt pulley is cast with high intensity aluminum-magnesium alloy, with light weight and high strength. 
â—†We could manufacture Type A or Type B belt upon sales situation of dealers, and meet demands of different customers efficiently. 
â—†Equipped with high efficient and energy-saving electrical motor which had passed the National CCC Certification. Protection grade: IP*5; Insulation grade: Grade F. 
â—†Mechanical centrifugal-type opening facility adopts **0% raw material injection production of strong toughness nylon to achieve high strength and long service life. The steel parts embedded in guide rod are installed on flange, which improves the workability and avoids the telescopic variation of nylon during