EJ42 Jaw crusher consists of two jaw plates, moving jaw and static jaw. It simulates the movement of two jaws of animals to complete material crushing. It has reliable operation, simple structure and simple maintenance. Therefore, it is widely used in the crushing of various natural stones (limestone, river gravel, granite and basalt), construction wastes (rubble, road concrete and reinforced concrete)，crushing of coal and metal mining industries. Ej42 jaw crusher produced by our company has larger feeding particle size, stronger crushing capacity, safety, reliability and superior performance. The main motor adopts 110KW motor, and the main shaft bearing adopts fag self-aligning roller bearing, which has good stress effect and can avoid installation error. Inlet size 1060 × 750, which meets the size requirements of the initial broken stone. The size of the discharge port is adjustable. Hydraulic adjustment can not only maintain the pressure value within a certain range, but also facilitate the adjustment of the discharge port.