LC-12, LC-15 bone duct reel machine (locking machine) this series is the most common traditional duct making machine, the customer may need to change the requirements under the rolling wheels, to a machine can, with a variety of , wide adaptability. Machine, light weight, easy to move, the most suitable construction site. According to the needs of different combinations and wide adaptability. LC-12-type processing of film thickness 0.5-1.2mm, LC-15-type processing of film thickness 0.7-1.2mm, can basically meet the need for air duct manufacturer.