... T-shirt bag making single screw double die blowing machine blown film machine,film making machine,plastic making machine,extrucisiont-shirt bag film ... (LDPE),(hdpe) and (LLDPE) ,single screw double die film blowing machine setSJ-55 Single screw double die film blowing machine1. Feature:It ... output.The coiling unit adopts pressure friction rewinding or center rewinding,which is driven by torque motor, ...