... ,Simens motor 4.Test before delive single screw extruder machine for PE/PP pipe Model SJ45/30 SJ65 ... etc material. (2) It adopt special gearbox,and has features of low noisy,stable running,high ... capacity,long service life.Equipped with different mold and auxiliary equipments,it could produce plastic pipe, ... of simple process,high output,stable extrusion presure,and low cost.(4)Has exported to many ...