1.stable structure 2.without power 3.high applicability 4.corlorful and stainless 5.stainless steel and long lifetime

1. High-quality structureRigid sphere shape structure, permanently lubricated upper and lower ball bearings to ensure long life without maintenance, no need to replace the zeroCases, the U.S. PEER, UBC, and Japan NSK high-precision bearing system fully closed absolutely excellent quality assurance.2, the operation of sophisticated equipmentUBC high-precision bearing system fully closed, highly heat-resistant synthetic grease lubricant for the bearings of the best that can permanently self-lubricating, non-Take care, even if wind breeze in less than 2 km, it is also self-operation.3, green ventilationUse of natural wind-driven principles, not the use of motor power, to avoid the cost of running electricity-free, non-stop self-turbine ventilatorRotation, so silent no noise when running.4, wide applicabilityDiameter with a unique angle for a variety of industrial plant light steel contour plate roof, concrete roof can be safeInstalled. And does not require support, installation and convenient

Roof fan