... -RESISTANT STEEL CASTINGS 2.HIGH RESIST WEARING OEM ALL KINDS OF CRUSHER SPARE PARTS HAMMER 1.hammer,the parts ... is hammer 2.the parts is used at crusher 3.the material is high manganese steel parts1. ... high manganese steel parts4.we can supply all kinds of crusher parts, such as jaw plate, concave, liner, hammer ... ISO9001:2002, ISO14001:2004,GB/T28001:2001 OEM ALL KINDS OF CRUSHER SPARE PARTS HAMMER