... 3.CE standard ,Simens motor 4.Test before delive single screw extruder machine for PE/PP pipe Model SJ45/30 SJ65/33 SJ75 ... special gearbox,and has features of low noisy,stable running,high capacity,long service life.Equipped with different mold and auxiliary ... and so on.(3) It has features of simple process,high output,stable extrusion presure,and low cost.(4)Has exported ...