... jingcheng" DM series of plastic film blow molding unit, by the extruder, single-layer blow die, cooling wind ring ... necessary components, but also produces HDPE, LLDPE film. The family unit has the following structure, complementary ... heat-treatment process after deformation to a minimum. 5, traction roller, roller coiling Balancing all of detection ... -known brand. Guangdong wide-range blown film machine