Crushers have larger production capabilities, stable quality, low production costs and easier maintenance. The maximum feeding size of P series is 600-1300mm, the maximum feeding size of S series is 700m. S series impact crushers have an option for a 3rd impact plate for better refining. Features. Heavy impact design, hydraulic CSS Setup,Crusher Parts : Manufacturers, Suppliers, Wholesalers and ...Jaw plate of jaw crusher: Depending on the specific conditions, all wear parts can be ordered as high manganese steel, high chrome cast iron or cr-mo alloy steel. Side Plate is designed to protect the Jaw crusher outer side, thus improves the working life. We supply high qualified side plate in high cr, mo, alloy steel for jaw crushers 1.