Three-layer horizontal roll draft film blown machine 1.raw material: PE HDPE ... and forth 360 degrees progressiverotation, and devided into upper , middle and lower-layer, rack is ... with tractionTraction motor power; 1.5KW(3) Rolling aluminum alloy running roller collapser.(4) Frame diameter ... functionPulling speed 6-60m/min(6) Traction machine using horizontal swing rotation, rotation steady, rotation ...