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。Theunit 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 pipeextrusion requirements. The auxiliary can be around regulation, convenient toand unload mould.