1,Motor power: 18.5/22kw 2,Output: 30-60kg/h 3,Nitriding treatment and spray coating ... /33, SJ75/33, SJ90/33, SJ20/33,SJ150/33;2, Composing separate type screw and mixing parts3, This can be used in ... layer of cable, hollow products. Advantages:1, More extrusion throughput;2, Design in advance, good in plasticization and low in energy ...