Technique Character: This machine adopts the hydraulic supporting structure. The gape size can be adjusted according to the requirement because of this design. Finally the required material size and the output will be achieved. Before the crusher operates, the jar is filled with the oil through the oil pump. When the crushing cone increases to be the work position, the globe valve closes; simultaneously the oil pump stops. Crushing Effect: The crushing rate and the output are high. The ore size is uniform. This crusher is suitable for minerals metallurgy, building materials, chemical industry and hydroelectricity department. After-sale service: Regular return visit, understand use situation, introduce the new technology and new trend of the crusher to the clients, carry out the life-long service to the customers using our product