该机组选用SJ-50型与SJ-50型(或SJ-45型）单螺杆挤出机组合。是共挤的******选择适合於各种型材或管材的共挤要求，辅机可以前后左右调节，方便装卸模具。

The unit is composed of SJ-50 and SJ-50 (or SJ-45) single screw extrusion machine. It is the best choice for CO-extrusion; suitable for various profiles or pipe extrusion requirements. The auxiliary can be around regulation, convenient to and unload mould.