... line can produce PP, PE, ABS, PP-R, PEX, silicon core pipe and pipe of other material. With special device, it can produce ... inner wall spiral pipe, inner wall hollow pipe, and core layer foam pipe-etc.It consists mainly of single screw ... -off includes two-claw type, three-claw type, four-claw type, six-claw type, eight-claw type, ten-claw type, twelve-claw type-etc.No-scraps cutting ...