Profile: Esong Group is a manufacturer of mining machinery. We supply crushers, jaw crushers, mobile crushers, impact crushers, hammer crushers, vibrating feeders, rotary dryers, mobile jaw crushers, mobile impact crushers, roll crushers, rotary kilns, vibrating screens, and sand making machines. Jaw crusher is a widely used aggregate crusher to crush all kinds of materials with a compressive strength lower than 320 MPa in mining, metallurgy, road, railway, hydro power, and many other industries. The basic structure of a jaw crusher generally includes seven parts such as driving medium, rack, jaw plate and side rack, flywheel, lubrication device, adjusting device, and the re-set spring. Jaw crusher is mainly composed of two jaw plates, flywheel, toggle plate, and the tension rod. The two jaw plates include one static jaw plate and a dynamic jaw plate. The function of the toggle plate is to protect the jaw plate, and the tension rod is used to adjust the size of the discharging port to meet the requirements of different jaw crushers.