Single toggle jaw crushers are designed to impart on a rock particle placed between a fixed and moving jaw plate. ... Both the jaw plates are bolted on to heavy block. The moving jaw plate is pivoted at the top end and connected to an eccentric shaft. shenyang SanLand jaw crushers are designed to exceed the primary crushing needs of customers in the mining, quarrying and recycling industries. These machines are amongst the most advanced and reliable in the market and are highly productive in a variety of applications.