Gaomi Mingda machinery CO., LTD. is located in Gaomi, Shandong province, the hometown of Nobel Prize winning teacher Mo Yan. The continuous spiral blade produced by machining has the advantages of smooth surface, no weld, high hardness, good abrasion resistance, smooth conveying and reducing material damage rate. Continuous spiral blade with external diameter of 40-800 mm, inner diameter of 8-400 mm, plate thickness of 2-30 mm, blade material is carbon steel and stainless steel of various specifications. Rotation direction can be left or right, length unlimited and other specifications of the screw blade and screw auger shaft. This product can be widely used in harvesting machinery, cereals processing machinery, engineering machinery, chemical machinery, sludge treatment equipment, mining machinery material transport.