Automatic Flexible Auger Feeder for Chicken Farm Cheap Feed Auger Poultry Livestock Feeding System Shaft-less spiral (feed machine spiral, spring spiral, shaftless screw flight), the product is made of high-quality high carbon 65Mn spring steel. Specifications are 5.3x8, 4.3x9, 4.3x12, 5.3x12, 4.3x16, 5.3x16, 6.3 x 16, product …
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