pvc pipe production line 1-necessary machine no name specification qua remark 1 screw loader dtc1000 1set 2 mixer srl-z200/500a 1set 3 powder loader zjf300 1set 4 conical double-screw extruder sjsz65/132 1set 5 pvc pipe moulds 25-32-50-75-90-1101 1set 6 vacuum calibration tank zk-110 1set 7 two-claw hauling machine qy-110 1set 8 cutter qg-110 1set 9 stacker fl-110 1set 10 crusher swp400 1set opitional 11 miller smp400 1set opitional