1.Roller T-shirt and Flat Bag Making Machine 2.material:LDPE,HDPE, 3.auto feeding, ... 4.compurter control FQ-D Model Roller T-shirt and Flat Bag Making Machine Feature:The high and low density polyethylene ... specially-designed dual-purpose for point-cut rolling vest and flat bags. Performance and Characteristics1. Controlled by computer, the stepping (servo ...