Special steel material with high ductility and high resistance Imported balance valve motor with buffering and braking kinetic energy. The cylinder is equipped with non-return valve, more safety for grabbing High strength rotating support device, the operator can manipulates the swinging speed and its rotating direction for 360 degree clockwise and anticlockwise. With soft tube in the high pressure cylinder, the soft tube is under protection The product can also be designed with no swinging rotation in accordance with customersâ?? different requirements. Widely used in sand plant, stone -crushing plant, dock, industries like renewable resources and coal recycle, auto decomposition and waste transfer. It can be installed in excavator. One machine has multiple applications and higher efficiency.