Combined with advanced technic of Germany and Japan, PCKW series non-jam reversible hammer crusher is the newest type of fine crushing equipment. It can be widely used in mining, chemical industry, construction materials, electric power , metallurgy and so on, crushing raw materials can be Coal, coal gangue, limestone, gypsum, alum, slag, and clinker etc. The crushed raw materials should be with compression strength less than 150Mpa, and water content less than 15%, the qualified content of final products can up to more than 90%.