Screw conveyor is new transportation equipment which pushes material continuously using the rotation of spiral blades. It can be installed inclined. And transport material steadily. Adopt high-quality steel and special purpose steel to meet different working requirement. The work is done inside the shell of closed round cross section. It is applicable for transporting powder granular and small blocked bulk material, such as clay powder, cement, concrete, sand, stone, grain, coal etc. It is not applicable for transporting materials with properties, like big viscosity, easy deterioration, and combined forms. It can complete the gathering, stirring, mixing, dehydrating, customizing material, unloading, and stacking and so on.