Jaw crusher is the main equipment that is used for the coarse and medium reduction of ores and rocks. Jaw crusher is widely used in the metallurgy, mining, building materials, chemical, cement and other industries. It has many advantages such as simple structure, reliable performance, easy operation, convenient maintenance, secure using. According to its structure characteristic, Jaw crusher can be divided into PEF compound pendulum jaw crusher(single toggle jaw crusher) and PEJ simple pendulum jaw crusher(double toggle jaw crusher). Compound pendulum jaw crusher consists of frame, movable jaw, knee plate, throat adjusting device. Simple pendulum jaw crusher consists of frame, movable jaw, connecting rod, front and back toggle plates, throat adjusting device.
NHI is one of the that design, develop, test and produce jaw crushers in the domestic, and our company has over 60 years' history of designing and manufacturing jaw crushers, during which our company has manufactured more than 8000 sets of jaw crusher, cone crusher and gyratory crusher. For the PEF, PEJ, PEF-X, 15 basic specifications series have formed. Our company has much experience in designing and developing jaw crusher, and the jaw crushers produced by our company have entered into many mining and metallurgy enterprises. Besides, many products of our company have gained good reputation in international markets in the early 1960s, and obtained many prizes. NHI is the host institute for setting of industrial standards JB/T 3264?2002 Simple Pendulum Jaw Crusher.