... computer PLC control, featuring in high degree of automation, and servo, (stepping) motor to fix the length, photoelectric track description:GFQ—C ... LDPE and HDPE to manufacture vest bags. It adopts computer PLC control, featuring in high degree of automation, and ... of good production benefits.. Main Technical Variables ModelGFQ-C-600typeGFQ-C-700typeGFQ-C-900typeMax. Bag-making Width(mm)160-260mm160- ...