... ,HDPE, 3.auto feeding,sealing,cutting 4.compurter control FQ-D Model Roller T-shirt and Flat Bag Making MachineFeature:The ... point-cut rolling vest and flat bags.Performance and Characteristics1. Controlled by computer, the stepping (servo) motor setting length system can ... if there is anything wrong with the printing bags. FQ-D Model Roller T-shirt and Flat Bag Making Machine