In the tunnel fan fanctory

The tunnel fan produced by Shandong Hanqi Industry adopts international standards, carbon steel casing, stainless steel impeller, 4-level silencer, skf oil injector. Before leaving the factory, it has undergone impeller balance and wind pressure and air volume tests, noise tests, and startup vibration tests. It is only for To provide customers with the best ventilation experience, safety, efficiency, energy saving and silence are the advantages of our products.

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