... jingcheng" DM series of plastic film blow molding unit, by the extruder, single-layer blow die, cooling wind ring ... the necessary components, but also produces HDPE, LLDPE film. The family unit has the following structure, complementary ... noise, high transmission efficiency, smooth operation, durable. 3, using the cylinder-type filters, for network cycle ... brand. Guangdong wide-range blown film machine