As the spiral duct machine can only produce straight pipe, so the development of the elbow machine and other equipment.
Among them, the double elbow machine through two separate workstations at the same time, you can achieve a high degree of production flexibility: one is the crimping machine, one is the mouth of the operating platform. So the machine can be free to use at any time, without time-consuming conversion. The two workbench works at the same time. Products not only beautiful appearance, but also strong, strong, light weight