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◆ Fans mainly consists of blade, motor, frame, protect net, bracing cage, shutters. The motor drives blade to cause air flow and louver window can open and close automatically to keep the dust from entering.

◆ Fan blade is made of 430 stainless steel by punch forming, no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken.

◆ Both Chinese famous motor and Siemens motor are available. Motor voltage and frequency could be customized. Chinese famous motor...