Our Single Screw High Efficiency Extruder used in plastic pipe, plastic board, plastic sheet, plastic profile productionapply to plastic blending, modification, enhanced granulation. *gentle molding design guarantees the quality of the matter*very much dependable valid design theory guaranteed the dependable operation of extruding. The special big torque drive system , tear tooth and shaft are high intensity alloy steel, and are treated by the cementite and tooth grinding. *the fresh development screw may be applicable to the dispensation having great amount of padding, and grarantee the degree of fillingup and the optimum stuff runs distributing of material in screw*screw with core temperature regulation unit and well garrel cool guaranteed the exact control of technology temperature of material*matching with different standard of pipe die and auiliary device, it is used to extrude different pipe, plate, profile, and soft and rigid pvc granulation.