... prices 2.high output 3.more stable, brand electrical parts. single screw extruderMain Technical ParametersModelScrew diameter (mm)L/D RatioMain motor (KW ... ,such as Schneider, Yaskawa,Simens,Omron, ABS, etc..---Material of screw and barrel: 38CrMoAlA Azotizing on surface 0.4~0.7mm ...