SJ series of single screw extruder is disposed by all kinds of screws which applies for processing PVC, PE, PPR, PEX materials and etc. It has the features of screw rod converting mode, air expelling, water cooling, high speed, high output, small and beautiful shapes and so on. And also have devices of temperature auto-control and stop less speed regulations. It is equipped with several kinds of headpiece and auxiliary machine, SJ extruders are suit for processing thermo plastic product such as membrane, soft(hard) pipe, rod, board, sheet and so on..